Synonyms of confirming

confirming 1 of 2

adjective

as in supporting

serving to give support to the truth or factualness of something

in the absence of confirming evidence, we should give him the benefit of the doubt

Synonyms & Similar Words

• supporting
• supportive
• verifying
• substantiating
• confirmational
• confirmatory
• corroborating
• supplementary
• corroborative
• probative
• vindicating
• corroboratory
• probatory
• auxiliary
• beneficial
• helpful

Antonyms & Near Antonyms

• refuting
• contradictory
• contrary
• disproving
• opposing
• counter
• confuting

confirming

2 of 2

verb

present participle of confirm

1

as in verifying

to give evidence or testimony to the truth or factualness of

several eyewitnesses who can confirm the defendant's account of what happened

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

2

as in approving

to give official acceptance of as satisfactory

the senate must confirm an appointment to an ambassadorship

Synonyms & Similar Words

• approving
• ratifying
• finalizing
• accepting
• endorsing
• authorizing
• acknowledging
• sanctioning
• formalizing
• signing
• warranting
• affirming
• accrediting
• clearing
• validating
• approbating
• homologating
• certifying
• OK'ing
• enabling
• passing
• permitting
• blessing
• sanctifying
• allowing
• initialing
• legalizing
• licensing
• canonizing
• rubber-stamping
• signing off (on)
• reapproving

Antonyms & Near Antonyms

• denying
• rejecting
• declining
• prohibiting
• disallowing
• disapproving
• vetoing
• forbidding
• turning down
• ignoring
• banning
• negativing
• enjoining
• proscribing
• disregarding
• interdicting
• neglecting
• refusing
• overlooking
• rebutting
• illegalizing
• spurning
• rebuffing

Example Sentences

Recent Examples of confirming

Verb

Budgets shift and priorities compete, and alignment erodes quietly unless leaders keep confirming it as conditions change. — Leslie Ellis, Forbes.com, 7 Aug. 2026

Ever since ’Daya slyly popped out with a giant rock on her ring finger, the couple has been pretty private about confirming their next life stage. — Alejandra Gularte, Vulture, 6 Aug. 2026

The Archdiocese of Baltimore released a statement confirming that Goedeke served as a Catholic Church deacon and former Catholic school teacher. — Bryan Lynn, CBS News, 6 Aug. 2026

As for her personal life, Tallulah has been engaged to musician Justin Acee since December 2024, confirming the news with a joint Instagram post. — Bailey Bujnosek, InStyle, 6 Aug. 2026

This was a small Phase 1 study, and confirming the result requires a larger randomized trial. — Jeff Coller, STAT, 6 Aug. 2026

The proof-of-principle experiment conducted by the Los Alamos National Laboratory achieved high-temperature, zero-power criticality, confirming the reactor’s core physics without generating electricity. — Jijo Malayil, Interesting Engineering, 31 July 2026

The video showed Romer confirming what the DSA platform stands for, including abolishing the Senate and replacing the presidency. — Britta Miller, The Washington Examiner, 31 July 2026

Preparation included meetings with Jewish community leaders in New York to gauge their feelings, the museum said, confirming a report in The New York Times. — ABC News, 31 July 2026