authoritative

au·thor·i·ta·tive  (-thôr-ttv, -thr-, ô-thôr-, ô-thr-)

adj.

1. Having or arising from authority; official: an authoritative decree; authoritative sources.

2. Of acknowledged accuracy or excellence; highly reliable: an authoritative account of the revolution.

3. Wielding authority; commanding: the captain's authoritative manner.

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au·thori·tative·ly adv.

au·thori·tative·ness n.

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authoritative

Adjective

1. recognized as being reliable: the authoritative book on Shakespeare

2. possessing authority; official

authoritatively adv

Thesaurus

Adj.	1.	authoritative - having authority or ascendancy or influence; "an important official"; "the captain's authoritative manner" important influential - having or exercising influence or power; "an influential newspaper"; "influential leadership for peace"
	2.	authoritative - of recognized authority or excellence; "the definitive work on Greece"; "classical methods of navigation" classic, classical, definitive standard - established or well-known or widely recognized as a model of authority or excellence; "a standard reference work"; "the classical argument between free trade and protectionism"
	3.	authoritative - sanctioned by established authority; "an authoritative communique"; "the authorized biography" authorised, authorized official - having official authority or sanction; "official permission"; "an official representative"

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authoritative

adjective 1. commanding, lordly, masterly, imposing, dominating, confident, decisive, imperative, assertive, autocratic, dictatorial, dogmatic, imperious, self-assured, peremptory << OPPOSITE timid

adjective 2. official, approved, sanctioned, legitimate, sovereign, authorized, commanding << OPPOSITE unofficial

adjective 3. reliable, learned, sound, true, accurate, valid, scholarly, faithful, authentic, definitive, factual, truthful, veritable, dependable, trustworthy << OPPOSITE unreliable

Translations

authoritative [ɔːˈθɔrɪtətɪv] adj → autorizado; [manner] → autoritario

authoritative [ɔːˈθɔrɪtətɪv] adj [account] → digne de foi; [study, treatise] → qui fait autorité; [manner] → autoritaire

authoritative [ɔːˈθɔrɪtətɪv] adj (person, manner) → bestimmt, entschieden;

(source, account) → zuverlässig;

(study, treatise) → maßgeblich, maßgebend

authoritative [ɔːˈθɔrɪtətɪv] adj [account etc] → autorevole; [manner] → autoritario/a