# Rationally

[rash-uh-nl, rash-nl] /ˈræʃ ə nl, ˈræʃ nl/

**adjective**

1.

agreeable to reason; reasonable; sensible:

a rational plan for economic development.

2.

having or exercising reason, sound judgment, or good sense:

a calm and rational negotiator.

3.

being in or characterized by full possession of one’s reason; sane; lucid:

The patient appeared perfectly rational.

4.

endowed with the faculty of reason:

rational beings.

5.

of, relating to, or constituting reasoning powers:

the rational faculty.

6.

proceeding or derived from reason or based on reasoning:

a rational explanation.

7.

Mathematics.

8.

Classical Prosody. capable of measurement in terms of the metrical unit or mora.

**noun**

9.

Mathematics. .

/ˈræʃənəl/

**adjective**

1.

using reason or logic in thinking out a problem

2.

in accordance with the principles of logic or reason; reasonable

3.

of sound mind; sane: the patient seemed quite rational

4.

endowed with the capacity to reason; capable of logical thought: man is a rational being

5.

(maths) expressible as a ratio of two integers or polynomials: a rational number; a rational function

**noun**

6.

(maths) a rational number

**adj.**

late 14c., “pertaining to reason;” mid-15c., “endowed with reason,” from Old French racionel and directly from Latin rationalis “of or belonging to reason, reasonable,” from ratio (genitive rationis) “reckoning, calculation, reason” (see ratio).

rational ra·tion·al (rāsh’ə-nəl)

**adj.**

Tagged: r

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