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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Rudolph Giuliani, the former mayor of New York City, is in critical but stable condition at a hospital, his spokesman said Sunday.—
Michael R. Sisak,
Chicago Tribune,
4 May 2026
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Rob Carr / Getty Images Before starting her stable, DeVaux climbed her way up the ranks, beginning as a stable worker for the late Chuck Simon before becoming an assistant trainer for Chad Brown.—
Rohan Nadkarni,
NBC news,
3 May 2026
Adjective
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According to O’Leary, airports have effectively delegated to airlines the consequences of early morning happy hour—namely, rowdy passengers boarding flights while less than lucid.—
Tristan Bove,
Fortune,
6 May 2026
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Robinson is warmly theological where Ishiguro is bleakly philosophical, lyrically expansive where Ishiguro is almost blandly lucid.—
James Wood,
New Yorker,
4 May 2026
Adjective
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After replanting, or if the roots look normal, keep the soil moist.—
Tom MacCubbin,
The Orlando Sentinel,
10 May 2026
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But not the average, normal citizen workers.—
Andrew Marantz,
New Yorker,
9 May 2026
Adjective
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An independent redistricting commission — transparent, balanced and insulated from the very political pressures that have corrupted this process.—
Daryl Campbell,
Sun Sentinel,
6 May 2026
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Still, the majority of testers found it to be balanced and consistent throughout.—
Catherine Jessee,
Southern Living,
6 May 2026
Adjective
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All religions are about that kind of magical thinking that goes beyond the rational.—
Stuart Miller,
Oc Register,
7 May 2026
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The problem with being reduced to playoff bystander is the danger of getting caught up in possibilities lost, at a time when rational thought about realistic possibilities is paramount.—
Ira Winderman,
Sun Sentinel,
4 May 2026
Adjective
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And, not surprisingly, that’s not healthy.—
Chris Hewitt,
Boston Herald,
10 May 2026
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Shoppers flock to the retailer to snag healthy, long-lasting peonies without breaking the bank.—
Sophia Beams,
Better Homes & Gardens,
9 May 2026
Cite this Entry
“Compos mentis.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/compos%20mentis. Accessed 11 May. 2026.
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