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

One rule of thumb is to always choose somewhere displaying the VPN sign outside—this stands for Verace Pizza Napoletana, and guarantees that the pizza will be made according to an exacting set of criteria.

— Nicky Swallow, Condé Nast Traveler, 27 Sep. 2026
That’s not to say anything of the sort is guaranteed soon — single events are never guaranteed this far out — but there are reasons to take this El Niño seriously thanks to just how astonishing some of the numbers are.

— Sean Macaday, Sacbee.com, 27 Sep. 2026

Definition of guarantee

Verb

The Federal Aviation Administration certified the Max 7, the smallest of the Max family, in early August with the newest software installed.

— Leslie Josephs, CNBC, 26 Sep. 2026
Vega said only the names of people whose write-in candidacy has been certified by his office can be added.

— Steve Sadin, Chicago Tribune, 24 Sep. 2026

Definition of certify

Verb

The high court affirmed that the Missouri congressional map passed in 2022, which gives Republicans a 6-2 advantage over Democrats, should be used for the November election in a per curiam ruling.

— Jack Birle, The Washington Examiner, 25 Sep. 2026
Bonta, the state’s top law enforcement officer, also filed suit, asking the court to affirm his authority over local sheriffs.

— Sharon Bernstein, Sacbee.com, 25 Sep. 2026

Definition of affirm

Verb

More than 12,900 five-star reviewers attest to the function and style, with one reviewer sharing that the AirTag slot brought peace of mind while on an international trip.

— Amelia McBride, Travel + Leisure, 27 Sep. 2026
Pavese situated the story of his time in much longer cycles than the ventennio of Fascism, which, as contemporary history attests, wasn’t so much defeated as repressed.

— Max Norman, Harpers Magazine, 22 Sep. 2026

Definition of attest

Verb

Forte said the scale of this tournament might shock and even intimidate anglers from other countries who have never witnessed the spectacle of an American fishing championship.

— Bryan Hendricks, Arkansas Online, 27 Sep. 2026
The train itself isn’t luxurious, but taking it gives you a front-row seat to witness the incredible feat of engineering required to load it onto special tracks on the ferry.

— Laura Itzkowitz, Travel + Leisure, 26 Sep. 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

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 Oct. 2026.

Copy Citation

Synonyms of testify (to)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

slew

Popular in Grammar & Usage

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

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

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

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

Popular in Wordplay

7 Great Ways to Say 'Great'

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

12 Lovely and Unusual Words for the Natural World

Why do we 'bury the lede?'

Popular

Do You Need a New Language Peeve?

7 Great Ways to Say 'Great'

The Longest Long Words List

Games & Quizzes