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

Detecting an anomaly is also different from certifying land as clear. — Güney Yıldız, Forbes.com, 20 July 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

However, Pregen said city inspectors later signed an affidavit of compliance certifying Martinez had corrected the violations roughly two months ago. — Larry Seward, CBS News, 14 July 2026

And sometime before the Forest Stewardship Council started certifying responsible woodland harvesting in 1993, company founder Jack Stoughton apparently had the environmental foresight to source paper from mills that farmed their own trees. — Kyle Devine, Longreads, 14 July 2026

The Election Assistance Commission is a bipartisan commission that helps state and local officials run elections, certifying election equipment and working with other agencies to ensure that state and local elections run smoothly. — Katherine Gregg, The Providence Journal, 10 July 2026

Adams, an incumbent election board member, voted against certifying the results of 2024’s primary election. — Adam Beam, AJC.com, 29 June 2026

As officials inch closer to certifying primary election results in the race for California's next governor as well as the mayor of its largest city, frontrunners appeared to continue to emerge in two of the state's key races. — Natalie Neysa Alund, USA Today, 9 June 2026

Los Angeles County election officials are expected to continue updating vote totals in the coming weeks before certifying the election. — Teresa Liu, Daily News, 3 June 2026