Synonyms of attesting

attesting

verb

present participle of attest

1

as in certifying

to declare (something) to be true or genuine

the appraiser attests that the lamp is indeed an original Tiffany

Synonyms & Similar Words

• certifying
• affirming
• guaranteeing
• witnessing
• authenticating
• testifying (to)
• asserting
• vouching (for)
• avouching
• warranting
• professing
• averring
• vowing
• avowing

2

as in testifying

to make a solemn declaration under oath for the purpose of establishing a fact

an eyewitness who will attest to my innocence

Synonyms & Similar Words

• testifying
• verifying
• witnessing
• swearing
• bearing witness
• deposing
• vouching
• promising
• vowing

3

as in confirming

to give evidence or testimony to the truth or factualness of

I'll attest that she was at the party

Synonyms & Similar Words

• confirming
• verifying
• arguing
• supporting
• corroborating
• certifying
• proving
• validating
• demonstrating
• authenticating
• substantiating
• vindicating
• witnessing
• affirming
• reinforcing
• establishing
• bearing out
• documenting
• asserting
• declaring
• guaranteeing
• testifying (to)
• professing
• averring
• warranting
• backing (up)
• avowing
• vouching (for)
• avouching

Antonyms & Near Antonyms

• refuting
• disproving
• rebutting
• contradicting
• denying
• disclaiming
• disavowing
• questioning
• contesting
• disputing
• challenging
• gainsaying

Example Sentences

Recent Examples of attesting

The person being vouched for also must sign an oath attesting to their identity and eligibility to vote, and must also provide their Minnesota driver’s license or identification card number or the last four digits of their Social Security number. — Mark Vancleave, Los Angeles Times, 29 Oct. 2026

The person being vouched for also must sign an oath attesting to their identity and eligibility to vote, and must also provide their Minnesota driver's license or identification card number or the last four digits of their Social Security number. — ABC News, 28 Oct. 2026

His movements are nimble and controlled, attesting to his unwillingness to give in to the bad days, the moments of grief. — Bella Armstrong, Miami Herald, 21 Oct. 2026

Thousands of five-star ratings and reviews from people with rosacea and sensitive skin also share similar sentiments as me, with many attesting that this lightweight cream covers imperfections in minutes and even makes skin look better over time. — Sarah Felbin, InStyle, 21 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

Donut has, however, posted a series of YouTube clips and test results attesting to various aspects of its batteries. — Rob Pegoraro, PC Magazine, 8 Oct. 2026

The notable exception is the always effective Lena Olin, whose brief turn as a concentration camp survivor attesting to Hermine’s true sadistic nature packs a quiet charge. — Michael Rechtshaffen, HollywoodReporter, 11 Sep. 2026

The board's disagreement over the signature review came down, in part, to a partisan split over accepting late-arriving affidavits from voters attesting that the signatures rejected by elections staff were valid. — Clara Hendrickson, Freep.com, 25 Aug. 2026