1
as in certifies
to declare (something) to be true or genuine
a jeweler authenticated the diamond as real
Synonyms & Similar Words
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2
as in verifies
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
Recent Examples of Synonyms for authenticates
Verb
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Once the state law went into effect, the city invited all recovery residences to a meeting with city officials and inspectors from the Kentucky Alliance of Recovery Residents, a nonprofit that certifies recovery homes.—
Keely Doll,
Louisville Courier Journal,
12 Oct. 2025 -
Grijalva is expected to be sworn into office in October after Arizona officially certifies the election results.—
Laura Gersony,
AZCentral.com,
25 Sep. 2025
Verb
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Federal workers must obtain two additional forms — an SF-8, which verifies federal employment and the SF-50, which verifies a worker is on furlough or has lost their job.—
Aldo Svaldi,
Denver Post,
18 Oct. 2025
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The line also carries the Seal of Cotton trademark, Cotton Incorporated’s label that verifies the natural fiber content of products.—
Jennifer Bringle,
Sourcing Journal,
17 Oct. 2025
Verb
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Tuesday’s decision affirms the Independence School District’s power to set an alternative bell schedule, putting the length of the school week in the school board’s hands for a decade.—
Ilana Arougheti,
Kansas City Star,
4 Nov. 2025
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That's my assumption, and yesterday's result affirms that.—
Sean Conlon,Pia Singh,
CNBC,
29 Oct. 2025
Verb
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His original announcement on October 13 stated his contract was simply not being renewed, but this new report confirms the non-renewal has been escalated to an early termination.—
Andrew Ravens,
MSNBC Newsweek,
6 Nov. 2025
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The work, led by Professor Zijian Li, confirms that the synergistic effect of K+ and C3N4 co-intercalation significantly reduces the electrostatic interaction between Zn2+ and the [VOn] layer, improves the specific capacity and cycling stability.—
Prabhat Ranjan Mishra,
Interesting Engineering,
6 Nov. 2025
Verb
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As anyone who saw his early New York performances still attests, Dylan was also legitimately funny, and the comic timing on display in these tapes is another revelation.—
David Browne,
Rolling Stone,
26 Oct. 2025
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Charles Winstead of the San Francisco Bay Area has seen several climbing accidents while climbing El Capitan over the past few weeks and attests to the quick responses from park personnel.—
Ignacio Calderon,
USA Today,
21 Oct. 2025
Verb
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The deal that the Democratic defectors made in no way guarantees that these subsidies will be restored, leaving many at risk.—
Ross Rosenfeld,
MSNBC Newsweek,
10 Nov. 2025
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Designed to improve the operational performance of navies, the sea drone guarantees naval forces operational superiority in the face of increasingly complex threats.—
Prabhat Ranjan Mishra,
Interesting Engineering,
9 Nov. 2025
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Cite this Entry
“Authenticates.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticates. Accessed 17 Nov. 2025.
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