About The Word Rational

Bay Area Crosswords

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Rational

Rational Meaning & Definition
Rational Definition And Meaning

What's The Definition Of Rational?

[adj] having its source in or being guided by the intellect (distinguished from experience or emotion); "a rational analysis"
[adj] of or associated with or requiring the use of the mind; "intellectual problems"; "the triumph of the rational over the animal side of man"
[adj] consistent with or based on or using reason; "rational behavior"; "a process of rational inference"; "rational thought"
[adj] (math) capable of being expressed as a quotient of integers; "rational numbers"

Synonyms | Synonyms for Rational: coherent | demythologised | demythologized | intellectual | intelligent | logical | lucid | mental | noetic | reasonable | reasoning(a) | sane | thinking(a)

Related Terms | Find terms related to Rational:

See Also | sensible

Rational In Webster's Dictionary

\Ra"tion*al\, a. [L. rationalis: cf. F. rationnel. See {Ratio}, {Reason}, and cf. {Rationale}.] 1. Relating to reason; not physical; mental. Moral philosophy was his chiefest end; for the rational, the natural, and mathematics . . . were but simple pastimes in comparison of the other. --Sir T. North. 2. Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning. It is our glory and happiness to have a rational nature. --Law. 3. Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man. 4. (Chem.) Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formul[ae]. See under {Formula}. {Rational horizon}. (Astron.) See {Horizon}, 2 (b) . {Rational quantity} (Alg.), one that can be expressed without the use of a radical sign, or in extract parts of unity; -- opposed to irrational or radical quantity. {Rational symptom} (Med.), one elicited by the statements of the patient himself and not as the result of a physical examination. Syn: Sane; sound; intelligent; reasonable; sensible; wise; discreet; judicious. Usage: {Rational}, {reasonable}. Rational has reference to reason as a faculty of the mind, and is opposed to traditional; as, a rational being, a rational state of mind, rational views, etc. In these cases the speculative reason is more particularly, referred to. Reasonable has reference to the exercise of this faculty for practical purposes, and means, governed or directed by reason; as, reasonable prospect of success. What higher in her society thou find'st Attractive, human, rational, love still. --Milton. A law may be reasonable in itself, although a man does not allow it, or does not know the reason of the lawgivers. --Swift.
\Ra"tion*al\, n. A rational being. --Young.

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