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
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
Zennon Kapron, Forbes.com, 28 Aug. 2025
Recent Examples of Synonyms for authenticating
Verb
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Martin brought the issue of the state’s Supreme Court’s possible involvement in certifying the 2028 presidential election results to the table.—
Molly Parks,
The Washington Examiner,
24 Oct. 2025
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Synthesizing a pencil-size sample in a robotic lab is far from producing tonnes of it at semiconductor purity or certifying it for aircraft use.—
Srishti Gupta,
Interesting Engineering,
23 Oct. 2025
Verb
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And with a few canny pointers on how LLMs work and how to effectively structure prompts, AI can actually aid us in verifying posts on social media and offer missing context.—
Nadav Ziv,
Time,
23 Oct. 2025
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What could Congress do to ensure that Department of Homeland Security and Immigration and Customs Enforcement agents are verifying citizenship?—
Kaitlyn Schallhorn,
Oc Register,
21 Oct. 2025
Verb
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Through several calculations of length, width, and depth, Manzur achieves these different sizes while guaranteeing that each basin can hold an equivalent volume of water.—
Mario Rodriguez,
Miami Herald,
23 Oct. 2025
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The suites' signature amenity is the round-the-clock butler service, guaranteeing guests access to exclusive events, tours, and restaurants in the city.—
David Morris,
Travel + Leisure,
20 Oct. 2025
Verb
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Importantly, no iron leakage was detected, confirming that the materials are safe and environmentally friendly, as per the press release.—
Prabhat Ranjan Mishra,
Interesting Engineering,
30 Oct. 2025
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Newsom signed legislation establishing a new state agency to create a process for confirming the ancestry of descendants.—
Andrew Quinio,
Oc Register,
29 Oct. 2025
Verb
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One accomplice in the scheme was a 74-year-old man from Rhineland-Palatinate who produced counterfeit expert reports attesting to the authenticity of the forgeries, investigators say.—
NPR,
NPR,
26 Oct. 2025
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Students, administrators, C-suite executives and more, each attesting to how my road map propelled them to put one foot in front of the other and enter a season of triumph.—
Alma Cooper,
PEOPLE,
24 Oct. 2025
Verb
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He has been criticized for making unscientific and misleading statements, including COVID-19 misinformation and promoting conspiracy theories, and affirming antisemitic, racist, and transphobic comments.—
Miranda Jeyaretnam,
Time,
28 Oct. 2025
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In fact, this is far from the first time cis people have leapt to gender-affirming care.—
Quispe López,
Them.,
24 Oct. 2025
Cite this Entry
“Authenticating.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticating. Accessed 4 Nov. 2025.
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