as in guaranteed
to declare (something) to be true or genuine
that auction house will always testify to a painting's authenticity
Synonyms & Similar Words
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Example Sentences
Recent Examples of Synonyms for testified (to)
Verb
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Rain is anticipated Saturday, though it’s not guaranteed all of Georgia will see it before the end of the month.—
AJ Willingham,
AJC.com,
23 Apr. 2026 -
Thick, crispy and caramel-forward, these cookies made with rice flour are guaranteed to satisfy the cookie craving.—
Jolene Thym,
Mercury News,
23 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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Fritz affirmed Horner is capable of knowing right from wrong.—
Harriet Ramos,
Fort Worth Star-Telegram,
28 Apr. 2026
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His sentence was most recently affirmed in 1998.—
Rafael Olmeda,
Sun Sentinel,
27 Apr. 2026
Verb
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In the docuseries, Bischoff attested to this.—
Larisha Paul,
Rolling Stone,
22 Apr. 2026
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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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Saturday’s large crowd witnessed a low-scoring contest for most of the afternoon.—
LaMond Pope,
Chicago Tribune,
26 Apr. 2026
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The suit also said the attack traumatized other children who witnessed it, which continued to give them nightmares.—
Anthony Thompson,
USA Today,
25 Apr. 2026
Verb
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Keep in mind that items like this have not been professionally tested or authenticated.—
Michele Laufik,
Martha Stewart,
20 Apr. 2026
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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
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Cite this Entry
“Testified (to).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/testified%20%28to%29. Accessed 30 Apr. 2026.
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