AUTHENTICATE

authenticate,vb.1.  To  prove  the  genuineness  of  (a  thing).  [Cases:  Criminal  Law    444;

Evidence    366–381.]  2.  To  render  authoritative  or  authentic,  as  by  attestation  or  other  legal

formality. See UCC § 9-102(a)(7). [Cases: Contracts    37. C.J.S. Contracts § 79.][Blacks Law 8th]