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Added 9 October 2026

rationality

/ˌraʃəˈnalɪti/ noun

Latin root: rationalitas Wiktionary

noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about rationality at Wordnik → Where our words come from →

The state of having good sense and sound judgment.
his rationality may have been impaired
The quality of being consistent with or based on logic.

Origin

From rational + -ity, from French rationalité, from Late Latin rationalitas (“rationality, reasonableness”), from Latin rationalis (“reasonable”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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