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

But unlike the pension, it is not guaranteed to last for the rest of her life.

— Santul Nerkar, New York Times, 20 July 2026
The measure, which requires majority approval, is also far from guaranteed to win over voters.

— Shomik Mukherjee, Mercury News, 19 July 2026

Definition of guarantee

Verb

These links must themselves be certified using further Bell tests before the gate-verification process can proceed.

— Rupendra Brahambhatt, Interesting Engineering, 18 July 2026
According to a July 3 letter obtained by The Sacramento Bee, the city still needed to complete required rezoning, adopt the housing element and submit both to HCD before the department could certify the plan.

— Naomi Taxay, Sacbee.com, 17 July 2026

Definition of certify

Verb

Their fundamentalist, literal understanding of the Bible is one that drives them to take bigger, bolder actions to affirm their belief that the United States is a Christian nation.

— Lauren Costantino, Miami Herald, 18 July 2026
On July 17, at the World Artificial Intelligence Conference in Shanghai, China President Xi Jinping affirmed that the country will remain committed to releasing models on an open-source basis.

— Nicholas Gordon, Fortune, 17 July 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 21 Jul. 2026.

Copy Citation

Synonyms of testify (to)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

dog days

Popular in Grammar & Usage

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Do you 'say your piece' or 'say your peace'?

Why is '-ed' sometimes pronounced at the end of a word?

Commonly Misspelled Words

Popular in Wordplay

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

The Longest Long Words List

Ten Words Ending with a Silent ‘T’

Why do we say 'fly off the handle'?

Popular

Merriam-Webster’s Great Big List of Words You Love to Hate

14 Phobias You Probably Haven't Heard Of

It's a Scorcher! Words for the Summer Heat

Games & Quizzes