as in stable
having full use of one's mind and control over one's actions
went to court to prove that her grandmother was no longer compos mentis and needed a legal guardian
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Recent Examples of compos mentis
Second, and more important, while Biden’s voice may be faltering, and some of his sentences rest incomplete, there is little question which candidate is less compos mentis than the other.
—
Jack Rakove, Chicago Tribune, 18 July 2024
Too a Real President meeting yesterday largely succeeded in its immediate goal: News coverage showed Trump in the act of president-ing with the air of a man who is, if not a stable genius, at least compos mentis.
—Jonathan Chait, Daily Intelligencer, 10 Jan. 2018
Jack Rakove, Chicago Tribune, 18 July 2024
Too a Real President meeting yesterday largely succeeded in its immediate goal: News coverage showed Trump in the act of president-ing with the air of a man who is, if not a stable genius, at least compos mentis.
—Jonathan Chait, Daily Intelligencer, 10 Jan. 2018
Recent Examples of Synonyms for compos mentis
Adjective
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Coaching is stable under Jon Scheyer, who starts his fourth season after replacing the legendary Mike Krzyzewski.—
Kilty Cleary,
MSNBC Newsweek,
5 Nov. 2025
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The fund aims to support original game projects from the R&D phase with early-stage capital, offering Taiwanese development teams stable financial backing and professional guidance to transform their ideas into internationally competitive original IPs.—
Liz Shackleton,
Deadline,
5 Nov. 2025
Adjective
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If the Court decides against the President, the lucid performance of Neal Katyal, representing one set of challengers, must be credited with demonstrating that commonsense runs the other way.—
Jeannie Suk Gersen,
New Yorker,
6 Nov. 2025
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By the parable-like broadness of its belief that love is the only thing lucid enough to see through an Orwellian assault on reality.—
David Ehrlich,
IndieWire,
28 Oct. 2025
Adjective
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Shawn Dahl, a space weather forecaster at the Space Weather Prediction Center, notes that an additional, even stronger CME is expected midday Wednesday — along with the chance to see the northern lights farther south than normal.—
Briana Waxman,
CNN Money,
12 Nov. 2025
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Members will be able to shop inside the warehouse during normal business hours.—
Alex Perry,
Cincinnati Enquirer,
11 Nov. 2025
Adjective
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Seven Heat players finished with double-digit points in another balanced effort.—
Anthony Chiang,
Miami Herald,
11 Nov. 2025
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Prime Minister Mohammed Shia al-Sudani is seen as having balanced ties between Washington and Tehran — Iraq’s two dominant patrons — while delivering a modicum of improved services and security.—
Prashant Rao,
semafor.com,
11 Nov. 2025
Adjective
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There seemed to be a rational acceptance of the outcome.—
James McNicholas,
New York Times,
9 Nov. 2025
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Therefore, the present work supports the belief that rational materials design at both the macro and atomic levels can solve long-standing challenges, according to a press release.—
Prabhat Ranjan Mishra,
Interesting Engineering,
8 Nov. 2025
Adjective
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The acquisition of Anthony Davis has done 0 because the 32-year-old man can’t stay healthy.—
Fort Worth Star-Telegram,
Fort Worth Star-Telegram,
11 Nov. 2025
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While maintaining a healthy weight plays a role in mitigating cardiovascular and diabetes risk, the measurement alone overlooks the importance of muscle as a predictor of healthy aging and longevity.—
Alexa Mikhail,
Flow Space,
10 Nov. 2025
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 25 Nov. 2025.
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