authoritative meaning and definition

AUTHORITATIVE adjective

Definition of authoritative (adjective)

1. having authority or ascendancy or influence
   • "an important official"; "the captain's authoritative manner"
   • synonyms: important
2. of recognized authority or excellence
   • "the definitive work on Greece"; "classical methods of navigation"
   • synonyms: classic, classical, definitive
3. sanctioned by established authority
   • "an authoritative communique"; "the authorized biography"
   • synonyms: authorised, authorized