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Definitions

authenticate

[aw-then-ti-kayt] / ɔˈθɛn tɪˌkeɪt /


Example Sentences

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In July, he had dropped off the cards at a company called Professional Sports Authenticator and paid it $8,000 to authenticate and grade them.

From The Wall Street Journal ● Oct. 20, 2026

However, despite the years spent by Nouzille to authenticate the documents, the Senussi Files have failed to convince him that Libya was responsible.

From BBC ● Jul. 25, 2026

"In this study we show how to authenticate a biomarker, verifying that a signal truly comes from life rather than contamination or non-biological chemistry," Shawar adds.

From Science Daily ● Feb. 27, 2026

Companies like Beckett Grading Services and Professional Sports Authenticator, or PSA, which authenticate and grade the quality of collectible sports cards, now do the same with Pokemon cards.

From Los Angeles Times ● Jan. 23, 2026

Geri explained that he needed the director of the Uffizi to authenticate the painting.

From "The Mona Lisa Vanishes" by Nicholas Day

Key to the burgeoning market are firms like Professional Sports Authenticator, of Santa Ana, which authenticates and appraises cards.

From The Wall Street Journal ● Oct. 20, 2026

Paul’s card was graded 10 by Professional Sports Authenticators, or PSA, a third-party service that authenticates and grades trading cards and other collectibles.

From Los Angeles Times ● Feb. 17, 2026

It said firms should reassess how their IT help desk "authenticates staff members" before resetting passwords, especially senior employees with access to high-level parts of an IT network.

From BBC ● May 5, 2025

Although a fantastically informative dive that also authenticates much of the movie’s narrative, I do question a serious expose about Oppenheimer using Bill Nye as a science authority source.

From Washington Times ● Dec. 7, 2023

He furnishes copies of records and papers kept in his office, impressed with the seal of his department, and authenticates all proclamations and messages of the President.

From Elements of Civil Government by Alexander L. Peterman

Around 15 of such hats have been fully authenticated, most of them now held in museum collections, said Parich.

From Barron's ● Mar. 26, 2026

The next day, the open-source research outfit Bellingcat said it had authenticated a video showing a Tomahawk missile strike next to the school in Minab.

From Salon ● Mar. 11, 2026

A long lost painting by Rembrandt has been rediscovered and authenticated by experts, after its whereabouts were unknown for decades.

From BBC ● Mar. 2, 2026

“But it lacks a large-scale authenticated consumer network, consumer brand and the data flywheel that a two-sided network could provide.”

From MarketWatch ● Feb. 24, 2026

I kept my hunch a secret but had the manuscript authenticated by an expert.

From "Book Scavenger" by Jennifer Chambliss Bertman

The cards had been sent from all over the country to PSA to be graded, a necessary step for collectors in authenticating their wares.

From Los Angeles Times ● Oct. 20, 2026

Many people have become accustomed to using their phones at checkout, authenticating themselves with a fingerprint or their face.

From The Wall Street Journal ● Mar. 20, 2026

Headed into the 2024 election, every American needs to up to the challenge of authenticating the news that they use to inform how they vote.

From Salon ● May 21, 2024

Rather than authenticating the tag, a better security solution is to authenticate the item itself, Han says.

From Science Daily ● Feb. 19, 2024

The seal, or nail-mark, was not “the authenticating subscription by the notary,” but by the seller.

From Babylonian and Assyrian Laws, Contracts and Letters by C. H. W. (Claude Hermann Walter) Johns


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