attest

[uh-test] / əˈtɛst /

VERB

affirm, vouch for

Synonyms

STRONGEST

authenticate corroborate demonstrate indicate substantiate swear verify

STRONG

adjure announce argue assert aver certify confirm countersign declare display exhibit prove ratify seal show support sustain testify uphold warrant witness

WEAK

asseverate bear out bear witness give evidence

Antonyms

STRONGEST

conceal disprove hide

STRONG

abstain contradict cover deny disavow discredit invalidate oppose refuse reject repudiate veto withhold

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Even though Klement has made clear that this forecasting is not something he takes very seriously, his success in this area has been no mean feat, as fans of favored teams can attest.

From MarketWatch • Apr. 17, 2026

Hachette requires authors to attest manuscripts are original.

From The Wall Street Journal • Mar. 20, 2026

Meanwhile, a more senior prosecutor named Mark Coyne would attest that Habba was not running the office and that the triumvirate was following the law.

From Slate • Mar. 20, 2026

A statement from Kimbark Elementary’s principal was also required to attest to Honey’s academic readiness.

From Los Angeles Times • Mar. 6, 2026

I was lawyerly and also veered toward dictatorial, as my brother, who often got ordered out of our shared play area, would attest.

From "Becoming" by Michelle Obama

Vocabulary lists containing attest

100 SAT Words Beginning with "A"

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Posted

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The Ancient Period, Before 600 BCE

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