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 Strong authentication can still fail if attackers can reset an account through an old phone number, weak recovery email or security question. — Expert Panel®, Forbes.com, 13 Oct. 2026 Completing passkey authentication only requires you to enter a PIN or complete a fingerprint or facial scan. — Brian Westover, PC Magazine, 12 Oct. 2026 Protection for the moment someone slips The report recommends building stronger authentication into onboarding. — Tatiana Sataua, Fortune, 9 Oct. 2026 The weak link in the chain TLS certificates are the cryptographic credentials that underpin authentication and encryption protections for websites, mail servers, and other Internet infrastructure. — Dan Goodin, ArsTechnica, 6 Oct. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

However, the ministry’s statement does not provide independent verification of the results or disclose additional technical details about the missiles’ performance.

— Prabhat Ranjan Mishra, Interesting Engineering, 17 Oct. 2026
To test for authenticity, GLG is doing additional screening and ID verification — increasingly on camera with questions designed to trip up AI avatars.

— Liz Hoffman, semafor.com, 16 Oct. 2026

Definition of verification

Noun

Such deployments would require validation against facility-specific radiation levels and safety requirements.

— Aamir Khollam, Interesting Engineering, 14 Oct. 2026
The validation panel flagged two unsupported minima (areas that could need additional support as the print develops).

— Michael Lydick, PC Magazine, 14 Oct. 2026

Definition of validation

Noun

State officials said the isolated instances of noncitizens voting, if accurate, are not evidence of widespread voter fraud.

— Kevin Rector, Los Angeles Times, 20 Oct. 2026
Experimental evidence for the equation, however, remained restricted to the subatomic domain for many decades.

— Philipp Strasberg, Scientific American, 20 Oct. 2026

Definition of evidence

Noun

The Fed’s wealth figures provide a financial backdrop to that shift, not proof of what caused it.

— Nick Lichtenberg, Fortune, 17 Oct. 2026
Nevertheless, watching a sports car flip upside down and land on cold-gas jets was proof enough that flying cars are moving out of science fiction and onto the runway.

— Mrigakshi Dixit, Interesting Engineering, 16 Oct. 2026

Definition of proof

Noun

The referendums touch on tax levels, voter identification requirements and the city’s ability to finance affordable housing projects.

— Nick Sullivan, Charlotte Observer, 16 Oct. 2026
Investigators found no identification at the scene, and extreme decomposition prevented them from obtaining DNA from the bodies.

— ABC News, ABC News, 16 Oct. 2026

Definition of identification

Noun

Some strategists, anticipating that the committee may raise flags, now try to get ahead of the process by submitting additional documentation, including filmmaker quotes and source materials, to explain why a film belongs in its intended category.

— Clayton Davis, Variety, 15 Oct. 2026
Importers should maintain documentation supporting their origin determinations, including relevant supplier information and manufacturing records.

— Shannon Hynds, Footwear News, 15 Oct. 2026

Definition of documentation

Noun

Removing a product from the browsing history display should not be treated as confirmation that Amazon has deleted every record of the interaction.

— Kurt Knutsson, FOXNews.com, 16 Oct. 2026
Neither post included specific details about his hospitalization or confirmation from Ayala’s representatives.

— Jim Kiest, San Antonio Express-News, 16 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 22 Oct. 2026.

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Synonyms of authentication

noun

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