authenticator noun4 •One who, or something which, authenticates.I did secure a position as a technical advisor and script authenticator on my HBO series, despite the fact that producers didn't think I was qualified for any position. — 2004 •An app that uses applied cryptography to prove someone's identity to a network connection. •A feature that shows something to be authentic. •A person employed to check the accuracy and realism of a script. formsauthenticators
