authenticate
/ɔːˈθentɪkeɪt/verb
with obj.
1- prove or show (something, especially a claim or an artistic work) to be true or genuine证明（声明等）是确实的; 证明（艺术品等）是真的：
they were invited to authenticate artefacts from the Italian Renaissance.
他们应邀去鉴定意大利文艺复兴时期的工艺品。
1.1
- validate证实; 确证：
the nationalist statements authenticated their leadership among the local community.
民族主义者的声明证实了他们在当地的领导地位。
1.2
- no obj. Computing (of a user or process) have one's identity verified【计算机】（用户, 程序）验证身份。
派生词
authentication
/ɔːˌθentɪˈkeɪʃən/ nounauthenticator
noun词源
early 17th cent.: from medieval Latin authenticat-'established as valid'， from the verb authenticare, from late Latin authenticus 'genuine' （see AUTHENTIC）.