as in valid
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1
as in certified
to declare (something) to be true or genuine
a jeweler authenticated the diamond as real
Synonyms & Similar Words
2
as in verified
to give evidence or testimony to the truth or factualness of
we require more than simply your word to authenticate this story
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Recent Examples of authenticated
Michele Laufik, Martha Stewart, 20 Apr. 2026
By minting a cryptographically perfect digital signature based on MD5, the attackers forged a certificate that authenticated their malicious update server.
—Stephen Clark, ArsTechnica, 17 Apr. 2026
Regardless, his helmet — which hitters must tap to signal for ABS — was authenticated and shipped to the Hall of Fame.
—Gary Phillips, Hartford Courant, 29 Mar. 2026
The providers currently able to be authenticated are fuboTV, DirecTV, AT&T U-verse and I-net.
—Greg Rajan, Houston Chronicle, 25 Mar. 2026
After being authenticated, the condition of the cards should be considered.
—Kate Perez, USA Today, 27 Feb. 2026
The photo, which has been authenticated by CBS News, shows Epstein, Lutnick, and three other men standing over an oceanside cliff.
—Daniel Ruetenik, CBS News, 27 Feb. 2026
Savannah urged anyone with information to come forward as investigators worked against a looming deadline outlined in the note, which authorities have not publicly authenticated.
—Stepheny Price, FOXNews.com, 10 Feb. 2026
Origin diamonds are sourced by De Beers from its mines in Botswana, South Africa, Namibia and Canada, and authenticated via Tracr’s blockchain platform.
—Samantha Conti, Footwear News, 29 Jan. 2026
Verb
Keep in mind that items like this have not been professionally tested or authenticated.
—Michele Laufik, Martha Stewart, 20 Apr. 2026
By minting a cryptographically perfect digital signature based on MD5, the attackers forged a certificate that authenticated their malicious update server.
—Stephen Clark, ArsTechnica, 17 Apr. 2026
Regardless, his helmet — which hitters must tap to signal for ABS — was authenticated and shipped to the Hall of Fame.
—Gary Phillips, Hartford Courant, 29 Mar. 2026
The providers currently able to be authenticated are fuboTV, DirecTV, AT&T U-verse and I-net.
—Greg Rajan, Houston Chronicle, 25 Mar. 2026
After being authenticated, the condition of the cards should be considered.
—Kate Perez, USA Today, 27 Feb. 2026
The photo, which has been authenticated by CBS News, shows Epstein, Lutnick, and three other men standing over an oceanside cliff.
—Daniel Ruetenik, CBS News, 27 Feb. 2026
Savannah urged anyone with information to come forward as investigators worked against a looming deadline outlined in the note, which authorities have not publicly authenticated.
—Stepheny Price, FOXNews.com, 10 Feb. 2026
Origin diamonds are sourced by De Beers from its mines in Botswana, South Africa, Namibia and Canada, and authenticated via Tracr’s blockchain platform.
—Samantha Conti, Footwear News, 29 Jan. 2026
Recent Examples of Synonyms for authenticated
Adjective
-
In California, the Los Angeles County Counsel is probing allegations that State Farm delayed, underpaid and denied valid insurance claims from last year's wildfires.—
Michael Copley,
NPR,
28 Apr. 2026
-
Twin Metals filed a federal lawsuit seeking a declaration that the leases are still valid but a judge threw the case out in 2023.—
Todd Richmond,
Los Angeles Times,
28 Apr. 2026
Verb
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These mattresses are also GREENGUARD Gold certified, indicating compliance with strict indoor air‑quality standards.—
Alora Bopray,
USA Today,
25 Apr. 2026
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This retro-appeal smart thermostat is Matter certified for smart home integration and is compatible with Amazon Alexa, Google Assistant, and Apple HomeKit.—
K. Thor Jensen,
PC Magazine,
24 Apr. 2026
Verb
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Ukraine did not comment on the attack, and the claim could not be independently verified by the Associated Press.—
Elise Morton,
Los Angeles Times,
25 Apr. 2026
-
Almost everybody is significantly mispriced in credit, or over-verified in credit.—
Diane Brady,
Fortune,
24 Apr. 2026
Adjective
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The confirmed tornado moved across parts of Enid, a city of about 50,000 people in Garfield County near the state's northern border, according to the National Weather Service.—
CBS News,
CBS News,
24 Apr. 2026
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The confirmed tornado moved across parts of Enid, a city of about 50,000 people near the state's northern border, according to the National Weather Service.—
ABC News,
ABC News,
23 Apr. 2026
Verb
-
In the docuseries, Bischoff attested to this.—
Larisha Paul,
Rolling Stone,
22 Apr. 2026
-
David Harris, a former longtime Republican state representative from Arlington Heights, attested to that based on their time working together on revenue issues.—
Jeremy Gorner,
Chicago Tribune,
17 Apr. 2026
Verb
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The top 14 fillies on the leaderboard are guaranteed a spot in the starting gate, with three horses added as also-eligibles in case anyone in the main field scratches.—
Teresa Genaro,
New York Times,
30 Apr. 2026
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That total, which is fully guaranteed, will count in its entirety against the salary cap.—
Mike Kaye,
Charlotte Observer,
30 Apr. 2026
Adjective
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This phase will focus on turning validated designs into integrated subsystems that can operate under real reactor conditions.—
Neetika Walter,
Interesting Engineering,
14 Apr. 2026
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By licensing the Stan Patrol 6009 hull – which shares its axe-bow design with around 300 vessels already afloat – the Liberty Class benefits from a pre-validated platform, potentially saving years of hull development and testing.—
New Atlas,
New Atlas,
25 Feb. 2026
Verb
-
Fritz affirmed Horner is capable of knowing right from wrong.—
Harriet Ramos,
Fort Worth Star-Telegram,
28 Apr. 2026
-
His sentence was most recently affirmed in 1998.—
Rafael Olmeda,
Sun Sentinel,
27 Apr. 2026
Cite this Entry
“Authenticated.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/authenticated. Accessed 1 May. 2026.
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