Rationale vs. Rational

Rationalenoun

An explanation of the basis or fundamental reasons for something.

Rationalenoun

A justification or rationalization for something.

Rationalenoun

An explanation or exposition of the principles of some opinion, action, hypothesis, phenomenon, or the like; also, the principles themselves.

Rationalenoun

(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature);

Rationaladjective

Capable of reasoning.

Rationaladjective

Logically sound; not contradictory or otherwise absurd.

Rationaladjective

(of a person or personal characteristics) Healthy or balanced intellectually; exhibiting reasonableness.

Rationaladjective

Of a number, capable of being expressed as the ratio of two integers.

Rationaladjective

Of an algebraic expression, capable of being expressed as the ratio of two polynomials.

Rationaladjective

(chemistry) Expressing the type, structure, relations, and reactions of a compound; graphic; said of formulae.

Rationaladjective

(physics) Expressing a physical object.

Rationalnoun

(mathematics) A rational number: a number that can be expressed as the quotient of two integers.

Rationalnoun

(historical) The breastplate worn by Israelite high priests.

Rationaladjective

Relating to the reason; not physical; mental.

Rationaladjective

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

Rationaladjective

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

Rationaladjective

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

Rationalnoun

A rational being.

Rationaladjective

consistent with or based on or using reason;

Rationaladjective

of or associated with or requiring the use of the mind;

Rationaladjective

capable of being expressed as a quotient of integers;

Rationaladjective

having its source in or being guided by the intellect (distinguished from experience or emotion);