Authoritative - Definition

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