testify (to)

as in to guarantee
to declare (something) to be true or genuine that auction house will always testify to a painting's authenticity

Synonyms & Similar Words

Relevance

Example Sentences

Recent Examples of Synonyms for testify (to)
Verb
  • The program has a long track record of success, and with no future reauthorization guaranteed, certainty may run out.
    Jill Jones, Forbes.com, 7 Aug. 2025
  • Adopting such tactics won’t guarantee success or unity.
    Time, Time, 7 Aug. 2025
Verb
  • Schermerhorn became certified through the Sound Healing Academy in the Bronx, New York.
    Lisa Gutierrez, Kansas City Star, 12 Aug. 2025
  • Space Force officials formally certified the Vulcan rocket for national security launches in March, setting the stage for Tuesday's launch of the USSF-106 mission.
    Stephen Clark, ArsTechnica, 12 Aug. 2025
Verb
  • During an event in the Oval Office Wednesday with Apple CEO Tim Cook, Trump affirmed the 50% tariff number, not giving a specific answer as to whether additional tariffs on India would be dropped if there were a deal between Russia and Ukraine.
    Leo Schwartz, Fortune, 7 Aug. 2025
  • Former President Joe Biden affirmed the longstanding practice of including the total number of persons residing in the states in those tallies with a 2021 executive order, which Trump revoked on the first day of his second term.
    Hansi Lo Wang, NPR, 7 Aug. 2025
Verb
  • Not only that, as CEI’s work on agency guidance documents, policy statements memoranda and other forms of regulatory dark matter attests, conventional notice-and-comment regulation increasingly comes nowhere close to capturing government intervention in the economy.
    Clyde Wayne Crews Jr, Forbes.com, 11 Aug. 2025
  • Golf is an incredibly difficult game, as any avid golfer can attest, so anything that gives you an edge is worthy of investment.
    Ryan Waniata, Wired News, 7 Aug. 2025
Verb
  • The attack ended when other troops who witnessed the incident intervened and tackled the gunman.
    Jade Walker, CNN Money, 7 Aug. 2025
  • Several soldiers who witnessed the shooting were able to tackle Radford and subdue him.
    Brittney Melton, NPR, 7 Aug. 2025
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Browse Nearby Words

Cite this Entry

“Testify (to).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/testify%20%28to%29. Accessed 19 Aug. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!