au·then·tic·ate /ɔːˈθentɪkeɪt $ ɒː-/ verb [transitiveT]REAL/NOT FALSE OR ARTIFICIALto prove that something is true or real 證明〔某物〕是真的,鑒定〔某物〕之真實性The painting has been authenticated by experts. 這幅畫專家鑒定爲真迹。
passwords which can authenticate electronic documents 能夠驗證電子文檔的密碼
—authentication /ɔːˌθentɪˈkeɪʃən $ ɒː-/ noun [uncountableU]