1
as in certifying
to declare (something) to be true or genuine
a jeweler authenticated the diamond as real
Synonyms & Similar Words
Relevance
2
as in verifying
to give evidence or testimony to the truth or factualness of
we require more than simply your word to authenticate this story
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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Recent Examples of authenticating
Land Rover has now taken a high-profile step in authenticating the Defender’s pedigree at the most grueling, and prestigious, off-road race venue on the planet.
—
Karl Brauer, Robb Report, 19 Jan. 2026
Two days earlier, Bonds had marked the jersey with the company’s proprietary invisible ink, authenticating that Goedert would wear it on that particular December day.
—Dana O’Neil, CNN Money, 11 Jan. 2026
The hashtag for everything users need to know about sourcing, restoring, or even authenticating their kicks.
—Lucy Maguire, Vogue, 23 Oct. 2025
Zero-trust approaches aim to manage this sprawl by authenticating every request in real-time, regardless of its origin.
—Zennon Kapron, Forbes.com, 28 Aug. 2025
Karl Brauer, Robb Report, 19 Jan. 2026
Two days earlier, Bonds had marked the jersey with the company’s proprietary invisible ink, authenticating that Goedert would wear it on that particular December day.
—Dana O’Neil, CNN Money, 11 Jan. 2026
The hashtag for everything users need to know about sourcing, restoring, or even authenticating their kicks.
—Lucy Maguire, Vogue, 23 Oct. 2025
Zero-trust approaches aim to manage this sprawl by authenticating every request in real-time, regardless of its origin.
—Zennon Kapron, Forbes.com, 28 Aug. 2025
Recent Examples of Synonyms for authenticating
Verb
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The judge in the case barred state officials from certifying the election, halting efforts to enact the new congressional map.—
Jack Birle,
The Washington Examiner,
28 Apr. 2026
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California lawmakers hope to establish guardrails around how state agencies can use artificial intelligence and other technologies to speed up the delivery of public services, such as the approval of Medi-Cal applications and certifying nurse and teacher licenses.—
William Melhado,
Sacbee.com,
21 Apr. 2026
Verb
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Part of the new study also included verifying Curiosity’s results with extensive testing in labs on Earth.—
Ashley Strickland,
CNN Money,
24 Apr. 2026
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Zvi Reich called sources the cornerstones of journalistic activities such as detecting, researching, and verifying news.—
Florian Wintterlin,
Encyclopedia Britannica,
23 Apr. 2026
Verb
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But plans changed when King and the Jackson Estate — which endorsed the project — were faced with a legal issue when a Jackson accuser who had a past settlement with the estate guaranteeing he would never be featured in a dramatization, objected.—
Pamela McClintock,
HollywoodReporter,
22 Apr. 2026
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Iran has not ratified the United Nations Convention on the Law of the Sea (UNCLOS) guaranteeing the right to transit passage, however, which complicates the legal questions.—
Mithil Aggarwal,
NBC news,
9 Apr. 2026
Verb
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Defense Blog reported that the system was tested in a live-fire scenario, confirming its ability to deploy armed drones during active operations.—
Neetika Walter,
Interesting Engineering,
30 Apr. 2026
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Leonardi submitted a letter to the commissioner confirming her secretary used the credit card to buy the $150 ticket to the gala.—
Natalie La Roche Pietri,
Miami Herald,
30 Apr. 2026
Verb
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The family staunchly defended Michael Jackson for more than 25 years, attesting to his innocence of inappropriate conduct.—
Cynthia Littleton,
Variety,
24 Apr. 2026
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Some rappers have begun directly attesting to the fictional nature of their music.—
Maria Sherman,
Fortune,
24 Apr. 2026
Verb
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In 2019, the Board of Governors adopted a systemwide Statement of Free Expression affirming that universities have a critical role in fostering divergent ideas and robust debate.—
Jason Jewell,
Sun Sentinel,
29 Apr. 2026
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The Cascios spent decades defending and affirming Michael’s innocence.—
Cynthia Littleton,
Variety,
24 Apr. 2026
Cite this Entry
“Authenticating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticating. Accessed 1 May. 2026.
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