substantiatesub‧stan‧ti‧ate /səbˈstænʃieɪt/ verb [transitive] 
Katzen offered little evidence to substantiate his claims.—substantiation /səbˌstænʃiˈeɪʃən/ noun [uncountable]
VERB TABLE
substantiate
| Simple Form | ||
| Present | I, you, we, they | substantiate |
| he, she, it | substantiates | |
| Past | I, you, he, she, it, we, they | substantiated |
| Present perfect | I, you, we, they | have substantiated |
| he, she, it | has substantiated | |
| Past perfect | I, you, he, she, it, we, they | had substantiated |
| Future | I, you, he, she, it, we, they | will substantiate |
| Future perfect | I, you, he, she, it, we, they | will have substantiated |
| Continuous Form | ||
| Present | I | am substantiating |
| he, she, it | is substantiating | |
| you, we, they | are substantiating | |
| Past | I, he, she, it | was substantiating |
| you, we, they | were substantiating | |
| Present perfect | I, you, we, they | have been substantiating |
| he, she, it | has been substantiating | |
| Past perfect | I, you, he, she, it, we, they | had been substantiating |
| Future | I, you, he, she, it, we, they | will be substantiating |
| Future perfect | I, you, he, she, it, we, they | will have been substantiating |
EXAMPLES FROM OTHER DICTIONARIES
- Allegations made by prisoners are usually only considered when substantiated by the evidence of a prison officer.
- No evidence has been found to substantiate the story.
- The authorities claimed they were conspiring to overthrow the government, but offered no evidence to substantiate these claims.
- Discipline yourself to dig deep and get at facts which can be substantiated.
- Graph the two equations to substantiate your answers.
- The claim that higher minimum wages are inflationary and will create a loss of jobs is not substantiated either.
- The fact substantiates what reason points out.
- The third party must be able to claim that its assent is invalid if any of these grounds can be substantiated.
- This is not substantiated by analysis of the high strictures according to the method of diagnosis.
- This is not invariable, but its occurrence can provide substantiating evidence of epilepsy.
THESAURUS
if a piece of new information confirms an idea or belief that people already have, it shows that it is definitely true: · Police have found new evidence that confirms his story.· The discovery seems to confirm that people lived here over 10,000 years ago.
to show that something is definitely true by providing facts: · DNA tests proved that he was the father of the child.· I think we’ve proved that we are a good team.
to provide additional information to help prove that a statement, belief, or explanation is correct: · When you write a history essay, you should back up all your points with facts.· Wright was accused of pretending to be injured, and this was backed up by video evidence.
to help to prove that a belief, idea etc is probably true: · Do you have any evidence to support these claims?· The notion that women are worse drivers than men is simply not supported by the facts.
if facts or information bear out a claim or opinion, they suggest that something is likely to be true: · Most of the available evidence bears out the view that students learn better in small classes.· Marriage is not always easy; a fact that is clearly borne out in divorce statistics.
formal to provide additional information which supports or agrees with something – used in scientific and legal contexts: · Levine claims that a third car was involved in the accident and witnesses have corroborated this.· Professor Carling’s findings have been corroborated by more recent research.
formal to provide additional information that helps to prove that a statement is correct, especially if the statement is difficult to believe: · A police investigation failed to substantiate the claim that he had been sexually abused.
formal to prove that information or results are correct by using scientific tests or very careful checking – used in scientific or technical contexts: · All the information used in this report has been validated by an independent panel of experts.
Longman Language Activatorto show that something is correct or true to show that something is definitely true, by providing facts or information: · We're sure Jason took the money, but we can't prove it.· Until there is evidence to prove any of these claims, we cannot pass judgement.prove that: · Can you prove that you were at home at the time of the attack? · He wanted to prove that he was just as clever as his sister.prove somebody wrong/innocent/guilty: · I would love to prove him wrong.prove something to somebody: · I'm telling the truth, and I can prove it to you.prove where/how etc: · Don't trust anyone who turns up at your door, unless they can prove who they are.prove something conclusively/beyond doubt: · His guilt has never been conclusively proven.
if facts or actions show that something is true, they prove that it is true: · The Prime Minister's comments show his ignorance of people's feelings.show (that): · Research shows that smiling increases the levels of hormones that promote good health.show where/how etc: · These figures show how serious the company's problems are.show something/somebody to be something: · A scientific theory is only 'true' until someone shows it to be false or inaccurate.
to do something or provide information which makes it very clear to people that something is true: · The studies demonstrate a clear link between smoking and heart disease.demonstrate (that): · The President is anxious to demonstrate that he has a strong foreign policy.demonstrate where/how etc: · Try to round off your answer by demonstrating how your old job has prepared you to do the job you are applying for.
if a piece of new information confirms an idea or belief that people already have, it shows that it is definitely true: · Police have found new evidence that confirms his story.confirm that: · The discovery seems to confirm that people lived here over 10,000 years ago.confirm somebody's worst fears (=prove that something is as bad as someone thought it was): · In July his worst fears were confirmed: he had cancer.
: support a theory/claim/notion/ view etc to help to prove that a belief, idea etc is probably true: · Do you have any evidence to support these claims?· The notion that women are worse drivers than men is simply not supported by the facts.· For twenty-five years he painstakingly amassed evidence to support his hypothesis.
to provide additional information to help prove that a statement, belief, or explanation is correct: back up something: · When you write a history essay, you should back up all your points with facts.back something/it/them up: · They claim they can give us the best deal, but can they back this up with guarantees?· Wright was accused of pretending to be injured, and this was backed up by video evidence.
if facts or information bear out a claim or opinion, they support it and help to prove that it is probably true: bear out something: · Most of the available evidence bears out the view that students learn better in small classes than in large classes.· My warnings about Jean-Paul were later borne out by his dishonesty.bear somebody out (=prove what someone has said is true): · Last summer I predicted an increase in terrorist violence, and recent events have borne me out.
formal to provide additional information that helps to prove that a statement is correct, especially if the statement is difficult to believe: substantiate a claim/an allegation: · The authorities claimed they were conspiring to overthrow the government, but offered no evidence to substantiate these claims.· Allegations made by prisoners are usually only considered when substantiated by the evidence of a prison officer.
formal to prove that information or results are correct by using scientific tests or very careful checking - used in scientific or technical contexts: · All the information used in this report has been validated by an independent panel of experts.· This is an interesting hypothesis, but all attempts to validate it have so far failed.
formal to provide additional information which supports or agrees with something that most people already accept as true - used in scientific and legal contexts: · Levine claims that a third car was involved in the accident and witnesses have corroborated this.· Professor Carling's findings have been corroborated by more recent research.corroborate a story: · There was no one to corroborate her story about the disturbance in the lounge.corroborating evidence: · No doctor would order surgery on the basis of a single test result, without corroborating clinical evidence.
COLLOCATIONS FROM THE ENTRY Katzen offered little evidence to substantiate his claims.COLLOCATIONS FROM THE CORPUSNOUN
Katzen offered little evidence to substantiate his claims.· To substantiate claims of priority, etc. 8.· He asked Wong to require the organization to substantiate its claim.· Thus, a certain historical myopia is required to substantiate territorial claims.· But these are no greater than are required to substantiate a claim to professional status.· Though the standard of evidence we demand to substantiate extraordinary claims is high, it is not impossibly high.· Three main reasons can be put forward to substantiate this claim.· Regarding recruitment of staff, there is little factual evidence available to substantiate the claim either way.· Bell, however, offers no direct evidence to substantiate the claim that there has been a shift in demand to services.
· These provide evidence to substantiate the loss and prevent possible fraudulent claims.· The evidence to substantiate this is limited to very few conditions.· Though the standard of evidence we demand to substantiate extraordinary claims is high, it is not impossibly high.· In the absence of witnesses, only a confession on the part of the defendant or sufficient circumstantial evidence will substantiate the offence.· Regarding recruitment of staff, there is little factual evidence available to substantiate the claim either way.· Bell, however, offers no direct evidence to substantiate the claim that there has been a shift in demand to services.
WORD FAMILYnounsubstancesubstantiationsubstantiveadjectivesubstantial ≠ insubstantialsubstantiveverbsubstantiateadverbsubstantially
formal to prove the truth of something that someone has said, claimed etc: Katzen offered little evidence to substantiate his claims.—substantiation /səbˌstænʃiˈeɪʃən/ noun [uncountable]