authoritative

  • (s) having authority or ascendancy or influence
    • an important official
    • the captain's authoritative manner
    important,
  • (s) of recognized authority or excellence
    • the definitive work on Greece
    • classical methods of navigation
    classic, classical, definitive,
  • (s) sanctioned by established authority
    • an authoritative communique
    • the authorized biography
    authorised, authorized,

Synonyms

important classic classical definitive authorised authorized

Words of close approximity

authoritatively