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 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 Keep watching your accounts afterward RatHat can target banking credentials and authentication codes, so cleaning the phone should not be the end of your response. — Kurt Knutsson, FOXNews.com, 2 Oct. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Then follow the verification link sent to your inbox to complete registration.

— The Editors, JSTOR Daily, 9 Oct. 2026
The author photo on the Hoskins column published by the Star was generated using OpenAI’s artificial intelligence tools, according to the company’s online verification tool.

— Miriam Waldvogel, Washington Post, 9 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

Alderman maintains that each of the defendants have continued to lie to protect themselves and believes there is evidence of satanic worship.

— Charlotte Observer, Charlotte Observer, 13 Oct. 2026
Normalcy bias means that despite all evidence to the contrary, our mind protects itself.

— Raj Panjabi, Time, 13 Oct. 2026

Definition of evidence

Noun

More than 180,000 giant tortoises roaming freely on our atoll is proof of what long-term commitment to conservation can achieve.

— Mrigakshi Dixit, Interesting Engineering, 10 Oct. 2026
That’s why proof of identity is the foundation of agent security, not a separate compliance exercise.

— Caryn Seidman Becker, Fortune, 9 Oct. 2026

Definition of proof

Noun

In its latest court filing, AFA acknowledged that Spirit agreed that employees’ identification numbers won’t be part of what’s sold, for example, because they’ll be replaced by randomized identifiers.

— Miami Herald, Miami Herald, 10 Oct. 2026
The system is designed to continue denying communications until the underlying protocol changes, at which point the signal-identification and response process can begin again.

— Kaif Shaikh, Interesting Engineering, 10 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

The kind of life admin tasks like swim lesson sign-ups and appointment confirmations that pile up with alarming frequency in a house of one preschool-age kid and two adults with full-time jobs.

— Allison Johnson, The Verge, 9 Oct. 2026
At press time a spokesperson for Judd had not returned Billboard‘s request for confirmation on the Mar-a-Lago date.

— Gil Kaufman, Billboard, 8 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 16 Oct. 2026.

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Synonyms of authentication

noun

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