rationality

[ rash-uh-nal-i-tee ]

noun

, plural ra·tion·al·i·ties.

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.

Other Words From

• anti·ration·ali·ty noun adjective
• nonra·tion·ali·ty noun

Word History and Origins

Origin of rationality¹

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

Example Sentences

Empiricism, rationality and truth are all values entwined with the democratic ideal.

From Salon

Not three weeks ago I wrote about two developments that hinted, if hazily, that the long arc of our debate over guns might be trending toward rationality.

From Los Angeles Times

As hard as it may be to believe, even Trump voters have some rationality and understanding of cause-and-effect.

From Salon

If we make that mental leap, we can better understand their behavior and appreciate its rationality.

From Salon

Regardless of what the participants wrote, the evaluators scored them low on intelligence, interest, friendliness, logic, and rationality.

From Science Daily

Related Words

• coherence
• good sense
• sanity