AUTHENTICATION Synonyms: 35 Similar and Opposite Words

authentication

noun

Definition of authentication

as in verification

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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 authentication Security Accounting software contains sensitive financial information, so only consider a platform with strong security measures like encryption, secure bank connections, authentication and automatic data backups. — Carson Brunson, CNBC, 24 Sep. 2026 Account compromises were achieved through a legitimate OAuth process known as device code authentication. — Dan Goodin, ArsTechnica, 22 Sep. 2026 EBay has been investing more in fashion resale and authentication services. — Los Angeles Times, 19 Sep. 2026 Finally, eBay has invested in authentication and expert context that can make pre-loved shopping feel more like collecting than thrifting. — Ashley Lynch, Charlotte Observer, 16 Sep. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

That makes independent verification even more useful when a caller wants money or sensitive information.

— Kurt Knutsson, FOXNews.com, 3 Oct. 2026
Letters may be up to 200 words and signed with your email address, city of residence and daytime phone for verification.

— Sun Sentinel Editorial Board, Sun Sentinel, 2 Oct. 2026

Definition of verification

Noun

There is also evidence of second-round effects from energy costs, reinforcing the risk that inflation is becoming entrenched, BofA said.

— Lim Hui Jie, CNBC, 29 Sep. 2026
When families cannot consistently provide enough food, that material hardship can be treated as evidence of neglect, bringing families into contact with child protective services.

— Sandy Santana, STAT, 29 Sep. 2026

Definition of evidence

Noun

To find the proof for zeta(3), Apéry sandwiched the function between two infinite series that converged at just the right speed to ensure zeta(3) must be irrational.

— Lyndie Chiou, Scientific American, 2 Oct. 2026
Each tequila spent a total of three months maturing in a specific barrel before being bottled at 100 proof.

— Jonah Flicker, Robb Report, 2 Oct. 2026

Definition of proof

Noun

Federal law also requires certain first-time voters who registered by mail to provide identification if their identity was not verified during registration.

— TIME Staff, Time, 3 Oct. 2026
For counter-drone missions, the platform supports detection, tracking and identification through engagement using kinetic and non-kinetic effects.

— Atharva Gosavi, Interesting Engineering, 3 Oct. 2026

Definition of identification

Noun

The indictment describes documentation that portrayed foreign buyers as legitimate end users.

— Aamir Khollam, Interesting Engineering, 1 Oct. 2026
The organizations that treat documentation with the same seriousness as the investigation itself can end up in a stronger position, whatever the outcome.

— Beth Worthy, Forbes.com, 1 Oct. 2026

Definition of documentation

Noun

The positions require Senate confirmation, except in temporary appointments, which can last up to 120 days.

— Gene Johnson, Los Angeles Times, 2 Oct. 2026
One scenario making the rounds has Cheeks potentially overseeing all of the vast TV holdings of the combined company, but so far, there’s no firm confirmation and a final structure isn’t expected to be announced until next week.

— Michael Schneider, Variety, 2 Oct. 2026

Definition of confirmation

Browse Nearby Words

authenticating

authentication

authentications

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“Authentication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authentication. Accessed 4 Oct. 2026.

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Synonyms of authentication

noun

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