rationality

American  

[rash-uh-nal-i-tee] / ˌræʃ əˈnæl ɪ ti /

noun

plural

rationalities

1. the state or quality of being rational.

2. the possession of reason.

3. agreeableness to reason; reasonableness.

4. the exercise of reason.

5. a reasonable view, practice, etc.

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Other Word Forms

• antirationality noun
• nonrationality noun

Etymology

Origin of rationality

First recorded in 1560–70, rationality is from the Late Latin word ratiōnālitās reasonableness. See rational, -ity

Example Sentences

For some, the Bayesian framework is essentially a working definition of rationality or common sense: As one learns more, one’s views change—whether about the weather or the deadliness of a disease like Covid-19.

From The Wall Street Journal

“But rationality wins out in the end in the market.”

From The Wall Street Journal

Only the practical rationality and moral rootedness of the New World can redeem the old.

From The Wall Street Journal

"These rules lack humanity and rationality, and they oppress us every day."

From Barron's

But the choice isn’t between full rationality and pure sentimentality.

From The Wall Street Journal

Related Words

• coherence
• good sense
• sanity