as in guaranteeing
to declare (something) to be true or genuine
that auction house will always testify to a painting's authenticity
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for testifying (to)
Verb
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For example, as part of its agreement with OpenAI, Nvidia has reportedly discussed guaranteeing loans the startup would use to build its own data centers—a move that could leave the chipmaker on the hook for billions in debt if OpenAI can’t repay.—
Sharon Goldman,
Fortune,
5 Nov. 2025 -
Eight weeks into the 2025 college football season, a number of coaches have been fired with clauses in their contracts guaranteeing them more than $150 million combined to stay away from their former team’s sidelines.—
Jacob Feldman,
Sportico.com,
29 Oct. 2025
Verb
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Book blogs mourned my loss, a distinction that was both affirming and heartrending.—
Kenneth Turan,
The Atlantic,
7 Jan. 2026
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The National Action Alliance for Suicide Prevention recently released new guidance on moving upstream, affirming the importance of connection, belonging, economic stability, and community-level protective factors.—
Scott LoMurray,
Time,
6 Jan. 2026
Verb
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The nation’s legislators were gathered inside, certifying Biden’s election.—
Jamie Thompson,
The Atlantic,
6 Jan. 2026
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The commission's responsibilities include licensing and certifying health care facilities, from nursing homes to birthing centers.—
Marissa Meador,
IndyStar,
6 Nov. 2025
Verb
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At his clinic, the licensor, posing as a patient, received a vaccine card attesting to her vaccination without ever being offered a shot, prosecutors said.—
Jessica Schreifels,
CNN Money,
18 Dec. 2025
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The current requirement includes attesting on the form, under penalty of perjury, that the applicant is an American citizen.—
Ramsey Touchberry,
The Washington Examiner,
18 Nov. 2025
Verb
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More than storytellers of centuries-old maisons, they are charged with authenticating watches, curating exhibitions, shaping brand image, and even influencing new releases.—
Paige Reddinger,
Robb Report,
16 Nov. 2025
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The hashtag for everything users need to know about sourcing, restoring, or even authenticating their kicks.—
Lucy Maguire,
Vogue,
23 Oct. 2025
Verb
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This is partly why witnessing this cosmic phenomenon is so special.—
Valerie Mesa,
PEOPLE,
7 Nov. 2025
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DarkSky International, a nonprofit organization dedicated to preserving and protecting the night sky, has identified some of the best spots for witnessing the wonders of the cosmos across the island country.—
Evie Carrick,
Travel + Leisure,
7 Nov. 2025
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Cite this Entry
“Testifying (to).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/testifying%20%28to%29. Accessed 10 Jan. 2026.
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