- (n.) Authoritative.
- (n.) 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.
- (n.) An original (book or document).
- (n.) Of approved authority; true; trustworthy; credible; as, an authentic writer; an authentic portrait; authentic information.
- (n.) Vested with all due formalities, and legally attested.
- (n.) Having as immediate relation to the tonic, in distinction from plagal, which has a correspondent relation to the dominant in the octave below the tonic.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). authentic. Retrieved September 20, 2026, from http://smartdefine.org/authentic/definitions/1977222 |
| Chicago | Webster's. 2011. "authentic" http://smartdefine.org/authentic/definitions/1977222 (accessed September 20, 2026). |
| Harvard | Webster's 2011, authentic, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/authentic/definitions/1977222>. |
| MLA | Webster's. "authentic" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/authentic/definitions/1977222> |