Examples of authenticate in a Sentence
The signature has been authenticated.
a jeweler authenticated the diamond as real
Recent Examples of authenticate from the Web
The introduction of DNA evidence, also starting in the mid-1990s, has been essential to the program’s success, allowing defense officials to authenticate finds that would have been too uncertain in the past.
Chief among the developments that grew out of public key cryptography was the ability to authenticate message senders with digital signatures.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'authenticate'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Synonym Discussion of authenticate
AUTHENTICATE Defined for English Language Learners
Definition of authenticate for English Language Learners
: to prove that something is real, true, or genuine : to prove that something is authentic
AUTHENTICATE Defined for Kids
Definition of authenticate for Students
: to prove or serve as proof that something is authentic
Legal Definition of authenticate
1 : to prove or serve to prove that (something) is genuine; especially : to prove that (an item of evidence) is genuine for the purpose of establishing admissibility
2 : to make (a written instrument) valid and effective by marking especially with one's signature authenticate a check
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