- (v.t.) To render authentic; to give authority to, by the proof, attestation or formalities required by law or sufficient to entitle to credit.
- (v.t.) To prove authentic; to determine as real and true; as, to authenticate a portrait.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Authenticate. Retrieved October 2, 2026, from http://smartdefine.org/authenticate/definitions/1977226 |
| Chicago | Webster's. 2011. "Authenticate" http://smartdefine.org/authenticate/definitions/1977226 (accessed October 2, 2026). |
| Harvard | Webster's 2011, Authenticate, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/authenticate/definitions/1977226>. |
| MLA | Webster's. "Authenticate" 27 May 2011. Web. 2 October 2026. <http://smartdefine.org/authenticate/definitions/1977226> |