[with obj.]prove or show (something, especially a claim or an artistic work) to be true or genuine 证明…是确实的;证明…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。 ■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。 ■[no obj.](Computing)(of a user or process) have one's identity verified (计算机)(用户,程序)验证(身份)
early 17th cent.: from medieval Latin authenticat- 'established as valid', from the verb authenticare, from late Latin authenticus 'genuine' (see authentic)