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Definition of Rational
Rational

Relating to the reason; not physical; mental.

Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning.

Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man.

Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formulae. See under Formula.

A rational being.

Related Definitions:
Absurd, Agreeable, And, As, Being, Compound, Conduct, Endowed, Expressing, Extravagant, Faculty, Fanciful, Foolish, Formula, Formulae, Graphic, Having, Judicious, Like, Man, Mental, Not, Of, Or, Physical, Preposterous, Rational, Reason, Reasoning, Relating, Said, See, Structure, The, To, Type, Under, Understanding, Wise, With


Rational Quotations

I am an Epicurean. I consider the genuine (not the imputed) doctrines of Epicurus as containing everything rational in moral philosophy which Greek and Roman leave to us.
Thomas Jefferson

Man is a rational animal who always loses his temper when he is called upon to act in accordance with the dictates of reason.
Oscar Wilde

It has been said that man is a rational animal. All my life I have been searching for evidence which could support this.
Bertrand Russell

I add this, that rational ability without education has oftener raised man to glory and virtue, than education without natural ability.
Marcus Tullius Cicero

People who lean on logic and philosophy and rational exposition end by starving the best part of the mind.
William Butler Yeats

Rational Translations

rational in Dutch is redelijk, rationeel
rational in French is rationnel
rational in Italian is razionale
rational in Portuguese is racional
rational in Spanish is racional


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