1. Having a genuine original or authority, in opposition to that which is false, fictitious, counterfeit, or apocryphal; being what it purports to be; genuine; not of doubtful origin; real; as, an authentic paper or register. To be avenged On him who had stole Jove's authentic fire. Milton. 2. Authoritative. [Obs.] Milton. 3. Of approved authority; true; trus...
