Word Type

Adjective

Adjective

The word "authoritative" can be used as adjective and adjective.

Word Relationships

Derived Terms

authoritatively authoritativeness inauthoritative nonauthoritative unauthoritative

Derived From

authority

Related Terms

accurate authoritarian authority authorization authorize commanding definitive

Similar Terms

approved canonised canonized certified empowered glorified influential influential lawful legitimate official official sanctioned sceptered sceptred standard standard

Synonym Network

definitive of record

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.