authenticate
verb
ȯ- \
Definition of authenticate
: to prove or serve to prove to be real, true, or genuine authenticate a document
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Other words from authenticate
ȯ-
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noun
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noun
Synonyms & Antonyms for authenticate
Synonyms
argue, attest, bear out, certify, confirm, corroborate, substantiate, support, validate, verify, vindicate
Antonyms
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Examples of authenticate in a Sentence
Recent Examples on the Web
It’s unclear if new ways to authenticate images or detect fakes will keep pace with deepfake technology. — Deb Riechmann, The Seattle Times, "I never said that! High-tech deception of ‘deepfake’ videos," 3 July 2018 It’s unclear if new ways to authenticate images or detect fakes will keep pace with deepfake technology. — Deb Riechmann, BostonGlobe.com, "‘I never said that!’ The high-tech deception of ‘deepfake’ videos," 2 July 2018 Based on the binding dimensions (which were a perfect fit) and remnants of the original sewing, the consultant was able to authenticate Parsons’s letter. — Deanna Paul, Washington Post, "The journey of a stolen Christopher Columbus letter recounting his voyage to America," 15 June 2018 Folklorists refer to these stories as legends because many people believe them to be true, even though the stories cannot be authenticated. — James Deutsch, Smithsonian, "Some Stories About George Washington Are Just Too Good to Be True," 17 Feb. 2018 There was some confusion regarding which ball was used, but a Major League Baseball official authenticated one that Palka has back at home. — Teddy Greenstein, chicagotribune.com, "A highlight from Joe McEwing’s playing days — helping survivors on 9/11," 27 Apr. 2018 Some might wonder if the tweets, provided they are authenticated as authored by Colangelo, could constitute a violation of the Health Insurance Portability and Accountability Act of 1996, which is better known as HIPAA. — Michael Mccann, SI.com, "The Potential Legal Consequences of Bryan Colangelo's Twitter Controversy," 30 May 2018 The government had argued that DNA testing is faster than authenticating documents, and protects children — especially the youngest — from being handed to someone who may not be their biological parent. — Ricardo Alonso-zaldivar And Elliot Spagat, chicagotribune.com, "Medical experts worry about testing DNA to reunite families," 11 July 2018 The government had argued that DNA testing is faster than authenticating documents, and protects children — especially the youngest — from being handed to someone who may not be their biological parent. — Ricardo Alonso-zaldivar, The Seattle Times, "Test DNA of migrant kids only as last resort, ethicists say," 10 July 2018These 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.
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More Definitions for authenticate
authenticate
verb
English Language Learners Definition of authenticate
: to prove that something is real, true, or genuine : to prove that something is authentic
See the full definition for authenticate in the English Language Learners Dictionary
authenticate
verb
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Kids Definition of authenticate
: to prove or serve as proof that something is authentic
authenticate
transitive verbLegal 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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