1
as in to certify
to declare (something) to be true or genuine
the appraiser attests that the lamp is indeed an original Tiffany
Synonyms & Similar Words
Relevance
2
3
as in to verify
to give evidence or testimony to the truth or factualness of
I'll attest that she was at the party
Synonyms & Similar Words
Antonyms & Near Antonyms
Example Sentences
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.
Recent Examples of attest
Moore filed an insurance claim on the residence, and proffered a lease agreement that attested to a loss of rental income, prosecutors had alleged.
—
Madeline Buckley,
Chicago Tribune,
15 June 2026
Every contribution must come with paperwork attesting to its source.
—
Mark Pazniokas,
Hartford Courant,
13 June 2026
Plus, more than 100 happy customers can attest that the sofa is great for entertaining and also pretty easy to clean.
—
Julia Harrison,
Architectural Digest,
12 June 2026
But the world, as any scientist probing into the atomic level can attest, contains more secrets than meets the eye.
—
Theater Critic,
Los Angeles Times,
12 June 2026
See All Example Sentences for attest
Madeline Buckley,
Chicago Tribune,
15 June 2026
Every contribution must come with paperwork attesting to its source.
—
Mark Pazniokas,
Hartford Courant,
13 June 2026
Plus, more than 100 happy customers can attest that the sofa is great for entertaining and also pretty easy to clean.
—
Julia Harrison,
Architectural Digest,
12 June 2026
But the world, as any scientist probing into the atomic level can attest, contains more secrets than meets the eye.
—
Theater Critic,
Los Angeles Times,
12 June 2026
See All Example Sentences for attest
Recent Examples of Synonyms for attest
Verb
-
Most standard portable filters only catch parasites, so check that any filter is certified to NSF Standard 53 or 58 with a small enough pore size.
-
Eco effort The hotel is EarthCheck certified, with smart systems monitoring energy use, home automation shutting off lighting when guests are out exploring the city, and a food digester in place to tackle organic waste.
Verb
-
Noncitizens have testified about similar conditions at supposedly temporary ICE detention facilities around the country.
-
Prior to Blankenship, former county payroll administrator Laura Baxter testified to confirm what Gillespie said during his testimony.
Verb
-
Cellphone video verified by NBC News shows someone in fatigues-style clothing appearing to exchange rounds with police.
-
Astronomers could now search the cosmos for such events, the discovery of which would help verify Fuller's model.
Verb
-
Rigorous, exhaustive testing of all tracks, signaling systems, and vehicles is the standard industry practice for major airport transit infrastructure to guarantee seamless long-term system integration.
-
After the top four picks, the remaining 10 lottery teams are slotted in according to their records (meaning that the worst team is guaranteed at least the fifth pick).
Verb
-
The destroyer commissioned Tuesday, the Choe Hyon, is expected to have anti-ship and land-attack missile capabilities, although neither can be confirmed to date, analysts said.
-
Immigration attorney Morella Aguado, who is not involved in Avila's case, confirmed one of her clients was also transferred out of Krome.
Verb
-
The company has issued an update on its plans, affirming that the verification system will begin rolling out in select countries later this year.
-
But the justices affirmed the 5th Circuit’s decision.
Verb
-
Srebnick, however, argued that the crash was a tragic accident — and did not amount to a crime.
-
While some experts say the government should be involved in conversations about AI safety, others argue the result could stifle the industry.
Verb
-
She's lived through many hurricanes and other storms, but never witnessed thunder and lightning like this.
-
Pliny the Younger, a Roman author who witnessed Vesuvius’ infamous eruption, wrote that people tried to protect themselves with objects or pillows secured onto their heads with towels.
Cite this Entry
“Attest.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/attest. Accessed 26 Jun. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
