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 Businesses use it generally for employee login verification, password resets, remote access authentication and to allow privileged access. — Justin Zacks, CNBC, 21 July 2026 The model was initially blocked from accessing the backend, but then found a way to obfuscate its authentication token, preventing an OpenAI scanner from stopping the access. — Michael Kan, PC Magazine, 20 July 2026 The study found three AirDrop issues that could be triggered before authentication. — Kurt Knutsson, FOXNews.com, 16 July 2026 The primary means of compromise the agency warned about was hackers scanning IP ranges with active Simple Network Management Protocol (SNMP) agents that accept common or default authentication credentials. — Dan Goodin, ArsTechnica, 13 July 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Businesses need a response plan before officers arrive Employers must comply with employment eligibility verification requirements.

— Ascend Agency, The Orlando Sentinel, 3 Aug. 2026
The measure does not specify what qualifies as a unique identifying number and whether its verification would replace the signature verification process.

— Grace Hase, Mercury News, 3 Aug. 2026

Definition of verification

Noun

The 2016 Indy 500 winner conducted the maiden validation test, praising the car's exceptional build quality and predictable, rewarding handling.

— Bruce Martin, Forbes.com, 1 Aug. 2026
The achievement provides important validation for the ZiaCore design and is expected to support the development of a new generation of compact nuclear microreactors.

— Jijo Malayil, Interesting Engineering, 31 July 2026

Definition of validation

Noun

Seed money bought you a prototype and early customers; those proof points unlocked the Series A, which bought product-market fit, which unlocked the Series B, which bought scale.

— Michael Wee, Forbes.com, 3 Aug. 2026
That casts doubt on Prime Minister Andy Burnham’s plans to encourage more young people to pursue technical qualifications as a way to future-proof their careers.

— Irina Anghel, Fortune, 2 Aug. 2026

Definition of proof

Noun

Party identification is one of the few bits of concrete information we voters have when making judgments about candidates.

— Voice of the People, New York Daily News, 1 Aug. 2026
With early voting underway ahead of Tuesday's primary, increased attention on Michigan elections may leave some voters with questions about identification, eligibility and federal monitoring.

— Elaine Rojas-Castillo, CBS News, 31 July 2026

Definition of identification

Noun

But when inspectors asked for documentation showing the Department of Buildings had approved their use, the contractor did not provide it, the agency said.

— Samantha Delouya, CNN Money, 30 July 2026
The hope is that the changes, detailed in the protocol’s documentation, will make widespread deployment in an enterprise context much easier.

— Samuel Axon, ArsTechnica, 30 July 2026

Definition of documentation

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 Aug. 2026.

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Synonyms of authentication

noun

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