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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His early stardom never quite translated into a stable senior career as opportunities dried up in a system overflowing with talent.—
Los Angeles Times,
Los Angeles Times,
11 July 2025
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The president further argues that lower rates will make financing the ever-increasing federal debt cheaper, a factor which does not play into the Fed’s statutory dual mandate of ensuring maximum sustainable employment and stable prices.—
Ron Insana,
CNBC,
11 July 2025
Adjective
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The glasses are available in a Midas Fleck colorway, with a black lucid treatment and gold details, featuring Prizm 24K lenses.—
Jean E. Palmieri,
Footwear News,
9 July 2025
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Han, who won the Nobel Prize in Literature last year, has written about the Jeju uprising before in the brutal and lucid 2014 novel Human Acts.—
Vulture Editors,
Vulture,
8 July 2025
Adjective
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Newsweek has contacted the White House press office for comment outside of normal business hours.—
Shane Croucher,
MSNBC Newsweek,
15 July 2025
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By morning, service on the subway had resumed on a normal schedule.—
Evan Simko-Bednarski,
New York Daily News,
15 July 2025
Adjective
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Each tablet also includes prebiotic FOS, vitamin D, zinc and biotin to keep your gut balanced and healthy.—
Angelina Villa-Clarke,
Forbes.com,
21 July 2025
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With a relationship dating to 1970, the tandem built a balanced, rhythmic symmetry that accommodated any type of flourish or alteration.—
Bob Gendron,
Chicago Tribune,
20 July 2025
Adjective
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The regime’s more rational elements may eventually prevail and reduce tensions.—
Roya Hakakian,
The Atlantic,
10 July 2025
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Collins’ no vote, in a rational world, made sense for her constituents.—
Philip Elliott,
Time,
9 July 2025
Adjective
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For leaders, healthy paranoia channels that same response.—
Julian Hayes II,
Forbes.com,
20 July 2025
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The Boost: Turkey, tofu, beans, and eggs serve up a good dose of protein, iron, potassium, and magnesium; nuts and seeds add healthy fats.—
Katie Sullivan Morford,
Better Homes & Gardens,
20 July 2025
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 25 Jul. 2025.
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