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
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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
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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.]
【计算机】 (用户,程序)验证身份。
"early 17th cent.: from medieval Latin