- authoritative
- I(New American Roget's College Thesaurus)adj. official, decisive; imperative, peremptory; truthful, reliable; scholarly. See authority, certainty.Ant., doubtful.II(Roget's IV) modif.1. [Based on competent authority]Syn. well-supported, well-documented, scholarly, reliable, trustworthy, authentic, Dependable, definitive, sound; see also sense 2, official 3 .2. [Having authority]Syn. official, executive, imperial, administrative, supreme, ex cathedra (Latin), dominant, lawful, legal, mandatory, impressive, imposing, orthodox, ruling, sovereign, having due authority, weighty, having the weight of authority, entitled to obedience, decisive, worthy of acceptance, canonical, valid, standard, authorized; see also administrative , approved , governing , reigning .Ant. unauthorized, illegal*, questionable.3. [Suggestive of authority]Syn. dogmatic, officious, domineering; see absolute 3 , autocratic 1 .III(Roget's 3 Superthesaurus) a.official, validated, authentic, true, genuine, documented, sound, certified, reliable, trustworthy, scholarly.ANT.: questionable, frivolous, unsubstantiatedIV(Roget's Thesaurus II) adjective 1. Having or arising from authority: conclusive, official, sanctioned, standard. See TRUE. 2. Worthy of belief, as because of precision or faithfulness to an original: authentic, convincing, credible, faithful, true, trustworthy, valid. See TRUE. 3. Serving the function of deciding or settling with finality: conclusive, decisive, definitive, determinative, final. See DECIDE. 4. Exercising authority: commanding, dominant, lordly, masterful. See OVER, STRONG.
English dictionary for students. 2013.