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

Relevance

Example Sentences

Recent Examples of Synonyms for testify (to)

Verb

However, this is standard practice, and a hard credit inquiry is necessary for verification purposes and to guarantee your mortgage interest rate.

— Dan Simms, USA Today, 30 Aug. 2026
If a vested veteran - a player with four or more years of NFL experience - is on the active, or inactive roster for the first game of the season their entire contract becomes guaranteed.

— Omar Kelly, Miami Herald, 29 Aug. 2026

Definition of guarantee

Verb

Twenty-eight million views on YouTube certified the bizarre piece as a fan favorite.

— Carlos Aguilar, Los Angeles Times, 28 Aug. 2026
Among the various green commitments and innovations of note, all of Explora’s ships are RINA Dolphin-certified for their low-level of underwater noise emissions, which helps preserve marine life.

— Condé Nast, Condé Nast Traveler, 28 Aug. 2026

Definition of certify

Verb

Yet the pandemic affirms Prem’s view that the public and private sectors need to work together in a health crisis.

— Angelica Ang, Fortune, 26 Aug. 2026
Billboard on Tuesday also affirmed its goal to be transparent about what songs on its chart were made with AI, working with Luminate’s new proprietary AI detector to determine which songs that rank on its charts are made with the technology.

— Corbin Bolies, Variety, 25 Aug. 2026

Definition of affirm

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

See all Nearby Words

Cite this Entry

Style

“Testify (to).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/testify%20%28to%29. Accessed 1 Sep. 2026.

Copy Citation

Synonyms of testify (to)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

conscientious

Popular in Grammar & Usage

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Why does English have so many silent letters?

7 Pairs of Commonly Confused Words

Popular in Wordplay

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Even More Words That Sound Like Insults But Aren't

Even More Bird Names that Sound Like Insults (and Sometimes Are)

12 Lovely and Unusual Words for the Natural World

Popular

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

Ye Olde Nincompoop: Old-Fashioned Words for 'Stupid'

14 Phobias You Probably Haven't Heard Of

Games & Quizzes