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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Travelers are advised to consider alternative itineraries, focusing on stable routes and refundable connections, and to maintain thorough records of expenses and communication with the airline.—
Zach Wichter,
USA Today,
16 Aug. 2025
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Younger people are lonelier – many of them have trouble finding stable friendships and are unable to find a romantic partner.—
Rafael Perez,
Oc Register,
16 Aug. 2025
Adjective
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Castillo’s prose is luminous and lucid, balancing humor and emotion with wicked aplomb.—
Gabrielle Bellot,
Literary Hub,
5 Aug. 2025
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One minute, your mom is lucid and chatty—the same as every other day.—
Angela Haupt,
Time,
4 Aug. 2025
Adjective
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As climate extremes become the new normal and other demand pressures rise, modernizing grid components with U.S.-made technology is essential.—
Shaun Walsh,
Forbes.com,
7 Aug. 2025
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Your body then releases a hormone called insulin to help bring your blood sugar levels back down to normal.—
Aubrey Bailey,
Verywell Health,
6 Aug. 2025
Adjective
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Chair of the Budget Committee, helping deliver balanced budgets that invest in safety, housing, infrastructure, and services while maintaining the lowest tax rate among NC’s largest cities.—
Charlotte Observer,
Charlotte Observer,
14 Aug. 2025
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Despite the presentation of a balanced budget containing no loan for the upcoming Chicago Public Schools academic year after months of debates over a multi-million dollar budget deficit, the entirety of the Chicago Board of Education is not sold on the $10.25 billion plan.—
Chicago Tribune,
Chicago Tribune,
14 Aug. 2025
Adjective
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Sir Charlie Mayfield, a stalwart of the UK business community and advisor to Liz Kendall, Work and Pensions Secretary, has recently been quoted in The Times stating that employers have a ‘rational’ fear of hiring disabled staff.—
Nancy Doyle,
Forbes.com,
6 Aug. 2025
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The irony was that Harlem’s numbers queen, a model of rational risk-taking, found herself in a love triangle with a dream-book mystic—then took to the newspapers to denounce Futtam’s obvious impostures.—
Adam Gopnik,
New Yorker,
4 Aug. 2025
Adjective
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Eating more magnesium-rich foods, like beans, can help keep cortisol at a healthy level.—
Jillian Kubala,
Health,
13 Aug. 2025
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Even those with strong revenue or healthy margins fall apart during due diligence or fail to attract serious buyers.—
Lien De Pau,
Forbes.com,
13 Aug. 2025
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 19 Aug. 2025.
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