verb (used with object), au·then·ti·cat·ed, au·then·ti·cat·ing.
Origin of authenticate
Examples from the Web for authenticating
So the power of the authenticating agent in the art world is predictably vast.Are Over Half the Works on the Art Market Really Fakes?|Tom Sykes|October 17, 2014|DAILY BEAST
The importance of the subject, and the necessity of authenticating the statements, are our excuses.Gossip in the First Decade of Victoria's Reign|John Ashton
The mention of a public seal for authenticating state documents also becomes frequent in the inscriptions.
Can any of your readers furnish me with the means of authenticating this supposition?