AUTHENTICATES Synonyms: 43 Similar and Opposite Words

authenticates

verb

present tense third-person singular of authenticate

as in certifies

to declare (something) to be true or genuine a jeweler authenticated the diamond as real

Synonyms & Similar Words

Relevance

as in verifies

to give evidence or testimony to the truth or factualness of we require more than simply your word to authenticate this story

Synonyms & Similar Words

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of authenticates The Open Source Munitions Portal, which authenticates publicly sourced images of munitions worldwide, has published several images of unexploded submunitions found in Israel this week. — Melanie Lidman, Chicago Tribune, 10 Mar. 2026 The challenge lies in developing a solution that authenticates these agents and identifies their human operators rather than uniformly blocking them. — Yair Tal, Forbes.com, 13 Feb. 2026

Recent Examples of Synonyms for authenticates

Verb

The drone business boom Last year, Thunder Tiger’s Overkill drones became the first from an Asian company to qualify for the Pentagon’s Blue Uncrewed Aircraft Systems Cleared List, which certifies commercial drones for use by the US military.

— Jeremy Hsu, ArsTechnica, 18 June 2026
If Hoskins certifies the referendum, the court said, the map would be retroactively suspended.

— Kacen Bayless, Kansas City Star, 12 June 2026

Definition of certifies

Verb

Someone should know who verifies the image, who speaks for the company, who explains what happened, who fixes the process that failed, and who keeps the organization from turning a teacup storm into a bathtub flood.

— Alexander Puutio, Forbes.com, 10 July 2026
On Kalshi, an internal team verifies outcomes against source reporting — typically within 12 hours of confirmation — with payouts landing about three hours after that; winners take $1 per winning share.

— Kevin Dolak, HollywoodReporter, 3 July 2026

Definition of verifies

Verb

Today's ruling affirms a principle that has underpinned sound economic stewardship for generations.

— Devin Dwyer, ABC News, 29 June 2026
Ending the show with one final jump affirms that there’s no future in which the Landry family is done with time traveling, despite the trauma and heartache the pond has delivered with its gift.

— Megan Vick, Variety, 22 June 2026

Definition of affirms

Verb

An independent review of the scoring in Manny Pacquiao’s contentious WBO welterweight world title loss to Jeff Horn confirms the outcome in favor of the Australian.

— Assistant Sports Editor, Los Angeles Times, 10 July 2026
Research confirms that voluntary slow breathing measurably increases parasympathetic activity, which is why even 60 to 90 seconds between meetings can change the quality of the next conversation in ways that no amount of mental preparation can.

— Joy Nissen, Forbes.com, 10 July 2026

Definition of confirms

Verb

As the unfolding case of the Smithsonian attests, museum leaders occupy a pivotal position in American public life, balancing obligations to historical truth, institutional stakeholders, and the communities whose record they are entrusted to keep.

— Tessa Solomon, ARTnews.com, 29 June 2026
Club Kid is funny, and filled with deft jokes, but there’s a stylistic exuberance to it that attests to how Firstman wasn’t just thinking in terms of verbal punchlines.

— Alison Willmore, Vulture, 15 May 2026

Definition of attests

Verb

Article 4 of the PRC constitution guarantees equality for all its 56 ethnic groups, though in reality the national vision hews to a Han Chinese orthodoxy, which avers a direct lineage from the early Yellow River basin tribes.

— Charlie Campbell, Time, 9 July 2026
The list is supposed to go out quarterly, a schedule that guarantees many charges stay off the radar for months — or even longer when the board fails to keep to its publication schedule.

— Ashley Hiruko, ProPublica, 8 July 2026

Definition of guarantees

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authenticated

authenticates

authenticating

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“Authenticates.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticates. Accessed 12 Jul. 2026.

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Synonyms of authenticates

verb

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