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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Both Dayana Patino and her baby son Juan David Trujillo were in a stable condition on Sunday in hospital in the Venezuelan capital Caracas, AP reported.
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Four were listed in critical condition, and six others, including the driver, were listed in stable condition.
Adjective
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Audiences peer into the heart of things, and the whole world suddenly becomes lucid.
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Even compared to 2023’s excellent Alive People, the mood is light, the pace is slow, and her reflections are lucid to the point of being haikuesque.
Adjective
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Shah adds that many women feel their best when ferritin levels are at least between 40 and 70 ng/ml for optimal energy and hair health, even if lab ranges suggest lower levels are ‘normal’.
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People are being asked to have their trash and recycling at the curb at least one hour prior to their normal pickup time.
Adjective
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Brazil takes on Japan in an enticing first game of the day, while the Netherlands and Morocco meet in one of the more balanced matchups of the round.
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But rigatoni's firm, chewy texture contrasts with the silky sauce, creating a more balanced bite.
Adjective
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Ray advises Anna to let the police handle the situation, which confirms him as the most rational character on the show and thus the only threat that Cady seems to recognize.
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Research from the LinkedIn B2B Institute, conducted with Les Binet and Peter Field, found that emotional B2B campaigns deliver roughly seven times the long-term effectiveness of rational ones.
Adjective
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Going 3-0 in group stage is nice, but ultimately doesn’t matter as much as having every player as healthy as possible for the knockout stage.
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Is low-carb or low-fat eating healthier for your heart?
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 1 Jul. 2026.
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