"authoritative" adjective having authority or ascendancy or influence; "an important official"; "the captain's authoritative manner" [syn: important (http://word.sc/important)] of recognized authority or excellence; "the definitive work on Greece"; "classical methods of navigation" [syn: classical (http://word.sc/classical), definitive (http://word.sc/definitive)] sanctioned by established authority; "an authoritative communique"; "the authorized biography" [syn: authorized (http://word.sc/authorized), authorised (http://word.sc/authorised)] Source: http://www.word.sc/authoritative

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