testify [testified, testifying, testifies]◼◼◼(to make a declaration, or give evidence, under oath) verb [UK: ˈtest.ɪ.faɪ] [US: ˈtest.ə.ˌfaɪ]He testified. = Il a témoigné.
witness [witnessed, witnessing, witnesses]◼◼◼((transitive) to furnish proof of) verb [UK: ˈwɪt.nəs] [US: ˈwɪt.nəs]I can bear witness to his innocence. = Je peux témoigner de son innocence.
witness [witnessed, witnessing, witnesses]◼◼◼verb [UK: ˈwɪt.nəs] [US: ˈwɪt.nəs]I can bear witness to his innocence. = Je peux témoigner de son innocence.