adj satadj.allhaving authority or ascendancy or influenceSynset:important
Examples:- an important official
- the captain's authoritative manner
Antonyms:uninfluential
Derivationally Related Form:importance
Inherited Hypernyms:authoritative
Similar to:influential
adj satadj.allof recognized authority or excellenceSynset:definitive
Examples:- the definitive work on Greece
Antonyms:nonstandard
Inherited Hypernyms:authoritative
Similar to:standard
adj satadj.allsanctioned by established authoritySynset:authorised authorized
Examples:- an authoritative communique
- the authorized biography
Antonyms:unofficial
Inherited Hypernyms:authoritative
Similar to:official