valid
/ˈvalɪd
/adjective
1(Of an argument or point) having a sound basis in logic or fact; reasonable or cogent: a valid criticism...
- Damascus has a valid claim to be the world's oldest inhabited city.
- British agriculture has recently been making the valid claim that its products are of the highest quality in the world.
- The only pressure, exerted by me, was to present good journalism supported by valid evidence.
Synonyms
well founded, sound, well grounded, reasonable, rational, logical, justifiable, defensible, defendable, supportable, sustainable, maintainable, workable, arguable, able to hold water, plausible, telling, viable, bona fide;
cogent, effective, powerful, convincing, credible, believable, substantial, forceful, strong, weighty, authoritative, reliable
rare vindicable
1.1Legally binding due to having been executed in compliance with the law: a valid contract...
- I believe that oral contract law was valid, I could rely on that, and I trusted her.
- Under English law, the minimum age for contracting a valid marriage is 16 for both men and women.
- The transfers were made voluntarily by the applicants under what they at least believed to be valid contracts.
Synonyms
correct, authentic, legally acceptable, proper, bona fide, genuine, official, signed and sealed;
lawful, legal, licit, legitimate, legally binding, binding, contractual;
in force, in effect, effective
1.2Legally or officially acceptable: the visas are valid for thirty days a valid password...
- The drivers would also be expected to have a valid driver's licence and a valid public driving permit.
- He apparently had 600 hours of flight experience and a valid pilot's license.
- To drive your car on the circuit all you have to do is show a valid driving license and you can drive 1 lap behind a safety car.
Origin
Late 16th century: from French valide or Latin validus 'strong', from valere 'be strong'.