AUTHENTICATION Synonyms: 35 Similar and Opposite Words

authentication

noun

Definition of authentication

as in verification

Related Words

Relevance

Dissimilar Words

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 The Biden administration established baseline standards for pipelines, ports, airports, and water systems, such as requiring operators to implement multifactor authentication and endpoint monitoring. — Anne Neuberger, Foreign Affairs, 15 Sep. 2026 Those are routes an attacker may try when authentication resists them. — Expert Panel®, Forbes.com, 14 Sep. 2026 Strong authentication can help stop someone who gets hold of a password, while account alerts can warn you when something suspicious happens. — Kurt Knutsson, FOXNews.com, 6 Sep. 2026 If returning an item from the Bag Collection, it must be returned in the original packaging with the dust bag, crystal, and authentication card. — Jessie Quinn, StyleCaster, 3 Sep. 2026 See All Example Sentences for authentication

Recent Examples of Synonyms for authentication

Noun

Congress has bipartisan bills in the works aimed at setting clearer federal consumer protections, including age verification.

— Catherina Gioino, Fortune, 7 Sep. 2026
As a result, some people are opting to pay a bit more for market-rate apartments with less income-verification and faster approval — leaving growing numbers of affordable units vacant.

— ABC News, ABC News, 7 Sep. 2026

Definition of verification

Noun

The funding will support commercial readiness, output validation and larger production trials.

— Alexandra Harrell, Footwear News, 17 Sep. 2026
Sites should be assessed using common criteria, similar locations should follow the same deployment pattern and validation procedures should be clearly defined.

— Susan Odle, Forbes.com, 16 Sep. 2026

Definition of validation

Noun

Some must also be housed and cared for as evidence, either until charges against a defendant are dismissed or the animals are permanently seized by the government.

— John Donegan LONG BEACH POST, Arkansas Online, 15 Sep. 2026
Despite this modest tourism boom, the town retains plentiful architectural evidence of its history as a turn-of-the-century manufacturing hub, with an abundance of red-brick and steel edifices lining its streets.

— Condé Nast, Condé Nast Traveler, 15 Sep. 2026

Definition of evidence

Noun

Clancy was tried in a Massachusetts court of law, one of the few venues where defendants such as Clancy enjoy the presumption of proof for pleas of insanity, once they are allowed to make such a plea.

— Richard E. Vatz, Baltimore Sun, 6 Sep. 2026
These recipes for muffins, snack mix, energy balls and more are proof that eating better doesn’t have to be boring, regardless of age.

— Anna Luisa Rodriguez, Washington Post, 5 Sep. 2026

Definition of proof

Noun

Participants will also have every ball recorded to help talent identification.

— Adam Crafton, New York Times, 4 Sep. 2026
The group also said its eligible-but-unregistered reports contain limited contact information, not Social Security, driver’s license, or state identification numbers, and that only ERIC employees process member data.

— Kaelan Deese, The Washington Examiner, 4 Sep. 2026

Definition of identification

Noun

To maintain eligibility, households consisting entirely of full-time students may be required to provide documentation to their property manager demonstrating that at least one of the above exceptions is met.

— Olivia Young, CBS News, 17 Sep. 2026
Officials frequently approved reimbursement after travel had already happened, and failed to require consultants to provide documentation like receipts, violating contract rules around wasteful spending.

— Lia Russell, Sacbee.com, 16 Sep. 2026

Definition of documentation

Noun

Public confirmation of Newcastle’s intention to do just that helped to quell many of the persistent doubts amongst supporters as to how committed Saudi Arabia’s Public Investment Fund (PIF), their 85 per cent majority owners, are to the club.

— Chris Waugh, New York Times, 11 Sep. 2026
During his absence, the Senate passed through a bipartisan housing reform bill, narrowly blocked several war powers measures and squeezed through Todd Blanche’s confirmation as attorney general in a 50-49 vote.

— Keely Doll, Louisville Courier Journal, 11 Sep. 2026

Definition of confirmation

Browse Nearby Words

authenticating

authentication

authentications

See all Nearby Words

Cite this Entry

Style

“Authentication.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authentication. Accessed 19 Sep. 2026.

Copy Citation

Synonyms of authentication

noun

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

aggrandize

Popular in Grammar & Usage

Why do we use apostrophes to show possession?

Merriam-Webster’s Great Big List of Words You Love to Hate

The Exceptions of '-s' and '-es' Plurals

A Who’s Who Regarding ‘Who’s’ and ‘Whose’

'A' or 'an'? What about before 'h'? An Indefinite Article Guide

Popular in Wordplay

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Words from the 'Odyssey'

14 Phobias You Probably Haven't Heard Of

The Words of the Week - Sept. 18

Popular

Why do we use apostrophes to show possession?

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

Games & Quizzes