authenticate [authenticated, authenticating, authenticates]◼◼◼(to prove authentic) verb [UK: ɔː.ˈθen.tɪk.eɪt] [US: ɒ.ˈθen.təˌket]A leading specialist was brought in to authenticate the painting. = Un expert de premier plan fut convoqué pour authentifier le tableau.
se désauthentifierverbe
log out(to exit an account in a computing system) verb [UK: lɒɡ ˈaʊt] [US: lɔːɡ ˈaʊt]