Thesaurus results for TESTIFY (TO)

testify (to)

verb

Definition of 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

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Example Sentences

Recent Examples of Synonyms for testify (to)

Verb

Of course, the Nasdaq-100 or a similar tech-heavy index, isn’t guaranteed to deliver 21% returns each year for a decade going forward.

— Sarah Cannon, Fortune, 18 Oct. 2026
Keep in mind that monitoring services cannot guarantee prevention of identity theft or detect every form of medical fraud.

— Kurt Knutsson, FOXNews.com, 18 Oct. 2026

Definition of guarantee

Verb

The treaty affirmed the continued existence of Virginia’s Tribal Nations, acknowledged our relationship with the Crown and recognized our connection to our communities and homelands.

— Dana Adkins, Washington Post, 23 Oct. 2026
Hence the gorgeous moment when Mi-ok joins Ho-seok for a nightcap under the stars—secret moonshine—and affirms that, in the face of insurmountable problems, enduring them together is their only solution.

— Justin Chang, New Yorker, 23 Oct. 2026

Definition of affirm

Verb

Jill’s frenetic comings and goings that week attested to the long-running strains on her personally, dealing with the Bidens’ troubled family life while Joe did his job being president.

— Azadeh Moaveni, Vanity Fair, 20 Oct. 2026
According to the complaint filed against him in federal court, Rivas Garcia filled out a voter registration form by hand in 2018, listing his Sacramento address and attesting that he was born in Mexico.

— Sharon Bernstein, Sacbee.com, 20 Oct. 2026

Definition of attest

Verb

As part of the diamond’s journey, members of the Udell family have traveled to Botswana to witness the cutting process firsthand, experience the history of the diamond’s origins and see the craftsmanship behind turning the stone into a rare diamond.

— Fairchild Studio, Footwear News, 24 Oct. 2026
Investigators were gathering physical evidence and witness statements on Thursday.

— Kendrick Calfee, Kansas City Star, 23 Oct. 2026

Definition of witness

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

testifying (to)

testify (to)

testimonial

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“Testify (to).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/testify%20%28to%29. Accessed 25 Oct. 2026.

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Synonyms of testify (to)

verb

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