- authoritative
- adj1. official, sanctioned, approved, validated, Inf.O.K.'d; valid, true, authentic, genuine, real, Inf. kosher; ruling, governing, dominant.2. sound, weighty, heavy, grave; documented, certified, attested, Sl. from the horse's mouth; corroborated, evidenced, proven, supported, backed up.3. positive, certain, sure, assured, self-assured, decided, self-confident, confident; assertive, insistent, emphatic, dogmatic, dogmatical; peremptory, arrogant, presumptuous; imperative, commanding, controlling, domineering, overbearing, pushing, Inf. pushy; authoritarian, masterly, stern, strict, dictatorial, imperious, despotic, autocratic, Inf. bossy.
A Note on the Style of the synonym finder. 2014.