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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Any liquid water on TRAPPIST-1 e would be accompanied by a greenhouse effect, which would involve various gases, especially carbon dioxide, keeping the atmosphere stable and the planet warm.—
Julia Jacobo,
ABC News,
10 Sep. 2025
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Your core muscles, back muscles, and balance may improve as your body works to remain stable against the extra weight.—
Claire Bugos,
Verywell Health,
10 Sep. 2025
Adjective
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Floating somewhere between lucid dreams and nightmares, Desde el Coma feels like waking up gasping for air — a kaleidoscope of bruises, chaos, and resurrection.—
Natalia Cano,
Billboard,
22 Aug. 2025
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Joseph Mitchell was at once the most lucid and the most mysterious of the great mid-century New Yorker writers.—
Adam Gopnik,
New Yorker,
17 Aug. 2025
Adjective
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Magnesium is needed to transport potassium and calcium across cell membranes and maintain normal heart rhythms.—
Jennifer Lefton,
Verywell Health,
16 Sep. 2025
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The weather when the sailor went missing were close to normal, according to Sky News Australia's Senior Meteorologist Rob Sharpe.—
Gabrielle Rockson,
PEOPLE,
16 Sep. 2025
Adjective
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Hydrolyzed proteins replenish lost amino acids that intensively nourish and maintain hair in a healthy, balanced state.—
Sophia Panych,
Allure,
16 Sep. 2025
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On the other hand, balanced searching involves looking for both positive and negative traits for a more complete evaluation.—
Mark Travers,
Forbes.com,
16 Sep. 2025
Adjective
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Even investors who pride themselves on rational decisions know that fear, excitement or uncertainty can often enter the picture.—
Bruce Helmer,
Twin Cities,
13 Sep. 2025
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Even in situations where logic seems to provide you a clear answer, what seems rational may not always feel right or make sense for you personally.—
Mark Travers,
Forbes.com,
11 Sep. 2025
Adjective
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The final mix includes botanicals, minerals, and vitamins such as holy basil for stress response, curcumin to promote a healthy immune response, konjac root to address oil production, and probiotics to optimize the microbiome.—
Megan McIntyre,
Allure,
16 Sep. 2025
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The Wizards have emphasized growth and long-term planning under a new front office regime, but keeping key players healthy has been a challenge.—
Grant Afseth,
MSNBC Newsweek,
16 Sep. 2025
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 18 Sep. 2025.
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