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
-
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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This single fine is close to the normal total of $8 million to $10 million in all fines that the Pipeline and Hazardous Materials Safety Administration hands out each year.—
Arkansas Online,
Arkansas Online,
7 Jan. 2026
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Trump, as is his want, is just doing the normal thing without the usual white niceties that come with imperialist machinations.—
Elie Mystal,
Washington Post,
7 Jan. 2026
Adjective
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Italian brands are prized not just for tomato variety, but for techniques that minimize time between harvest and processing and emphasize balanced flavor.—
Anne Wolf,
Martha Stewart,
7 Jan. 2026
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Together, oats and almonds create balanced nutrition, combining fiber, protein, and healthy fats for lasting fullness and all-day energy.—
Brianna Tobritzhofer,
Health,
7 Jan. 2026
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 Panthers are pretty darn healthy this time of year compared to many teams, and that has undoubtedly helped.—
Scott Fowler,
Charlotte Observer,
7 Jan. 2026
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We’re trapped by recent history — the prior year’s numbers for healthy players are the top factor in every projection.—
Michael Salfino,
New York Times,
7 Jan. 2026
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 9 Jan. 2026.
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