Scrabble Dictionary
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Rational
ˈraʃən(ə)l
Rational definitions
adjective
rational
- based on or in accordance with reason or logic
"I'm sure there's a perfectly rational explanation"
logical reasoned well reasoned sensible reasonable cogent coherent intelligent wise judicious sagacious astute shrewd perceptive enlightened clear-eyed clear-sighted commonsensical common-sense well advised well grounded sound sober prudent circumspect politic- able to think sensibly or logically
"Ursula's upset—she's not being very rational"
- endowed with the capacity to reason
"man is a rational being"
- (of a number, quantity, or expression) expressible, or containing quantities which are expressible, as a ratio of whole numbers