Synonyms of certifying

certifying

verb

present participle of certify

1

as in attesting

to declare (something) to be true or genuine

experts certified the letter as indeed having been written by Abraham Lincoln

Synonyms & Similar Words

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

2

as in enabling

to give official or legal power to

certified her as a teacher

Synonyms & Similar Words

• enabling
• authorizing
• empowering
• qualifying
• accrediting
• permitting
• licensing
• commissioning
• entitling
• warranting
• chartering
• investing
• approving
• vesting
• allowing
• endorsing
• confirming
• sanctioning
• affirming
• validating
• credentialing
• installing
• initiating
• letting
• inaugurating
• inducting
• privileging
• clearing
• instating
• OK'ing
• swearing in
• enfranchising

Antonyms & Near Antonyms

• preventing
• disqualifying
• denying
• excluding
• stopping
• blocking
• banning
• prohibiting
• inhibiting
• hindering
• obstructing
• barring
• impeding
• disallowing
• discouraging
• constraining
• forbidding
• holding back
• shutting out
• proscribing
• enjoining
• outlawing
• disenfranchising
• vetoing
• disbarring
• disfranchising
• interdicting

3

as in verifying

to give evidence or testimony to the truth or factualness of

please bring in a doctor's note to certify that you were really sick

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of certifying

Rival taxi service Zoox faced a probe three years ago after self-certifying its own steering-wheel-free cabs. — Bernard Condon, Fortune, 5 Sep. 2026

Summary Disney's Infinity Vision, initially met with skepticism, aims to standardize cinema quality by certifying theaters with laser projection, a feature often elusive to moviegoers. — Benny Har-Even, Forbes.com, 28 Aug. 2026

Investigators said those charged Monday include five people who submitted applications with a physician's signature certifying that each was legally blind or unable to walk more than 200 feet because of disabilities, according to court records. — Larry Seward, CBS News, 17 Aug. 2026

Absent a chair, the commission is unable to perform some key responsibilities, like enforcing legal and safety violations, approving new tribal gambling laws and certifying management agreements between tribes and casino operators. — Savannah Peters, Los Angeles Times, 10 Aug. 2026

Just last month, the FAA said Boeing would again be allowed to take responsibility for certifying all of its 737 Max and 787 planes. — ABC News, 7 Aug. 2026

The clerk also has specific duties like certifying tax levies to the state auditor and county collector. — The Kansas City Star, Kansas City Star, 5 Aug. 2026

The third positive development was the Federal Aviation Administration certifying the Boeing 737 Max 7 after a long series of delays. — Jeff Marks, CNBC, 3 Aug. 2026

In recent years, the Centers for Disease Control and Prevention began certifying testosterone blood tests for quality, accuracy, and reliability. — Beth Mole, ArsTechnica, 17 July 2026