Authentic, Authentical

[Fr. authentique, from Gr. authentikos, from authent -es, auto- entes, one who does anything with his own hand.] Having a genuine original or authority; having the author or authority clearly ascertained; -applied to things; as, an authentin document. "She joy'd th' authentick news to hear, Of what she gue 'd before with jealous fear."-Cowleg. -Not counterfeit; of approved authority; trustworthy; genuine; true; warranted; as, an authentic writer. "But censure's to be understood The authentick mark of the elect."- Swift . Authentic Act . ( Law .) An act which has been exe cuted before a notary or other public officer authorized to execute such functions, or which is testified to by a public seal, or has been rendered public by the authority of a competent magistrate, or which is certified as being a true copy of a public register. Authentically, adv. In an authentic manner; having the genuine authority.