rational


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Related to rational: rational function

rational

 [rash´un-al]
based upon reason; characterized by possession of one's reason.

ra·tion·al

(rash'un),
1. Pertaining to reasoning or to the higher thought processes; based on objective or scientific knowledge, in contrast to empiric (1).
2. Influenced by reasoning rather than by emotion.
3. Having the reasoning faculties; not delirious or comatose.
[L. rationalis, fr. ratio, reason]

rational

/ra·tion·al/ (ră´shun-al) based upon reason; characterized by possession of one's reason.

rational

(răsh′ə-nəl)
adj.
1. Having or exercising the ability to reason.
2. Consistent with or based on reason or good judgment; logical or sensible: rational decisions.

ra′tion·al·ly adv.
ra′tion·al·ness n.

rational

[rash′ənəl]
Etymology: L, rationalis, reasonable
1 pertaining to a measure, method, or procedure based on reason.
2 pertaining to a therapeutic method based on an understanding of the cause and mechanisms of a specific disease and the potential effects of the drugs or procedures used in treating the disorder.
3 sane; capable of normal reasoning or behavior.

ra·tion·al

(rash'ŭn-ăl)
1. Pertaining to reasoning or to the higher thought processes; based on objective or scientific knowledge, in contrast to empiric (1).
2. Influenced by reasoning rather than by emotion.
3. Having the reasoning faculties; not delirious or comatose.
[L. rationalis, fr. ratio, reason]

rational

based upon reason.

rational deductive diagnosis
a diagnosis based on rationalization of the signs with pathological and epidemiological principles, as distinct from empirical diagnosis.
References in classic literature ?
A straightforward, openhearted man like Weston, and a rational, unaffected woman like Miss Taylor, may be safely left to manage their own concerns.
Your sister, Betsey Trotwood,' said my aunt, 'would have been as natural and rational a girl as ever breathed.
Make a note that wishes for the destruction of the human race, however rational and sincere, are contrary to nature," he said, recovering his spirits.
The farmer, by this time, was convinced I must be a rational creature.
It excited fresh pity in those who had heard him to see a man of apparently sound sense, and with rational views on every subject he discussed, so hopelessly wanting in all, when his wretched unlucky chivalry was in question.
This fully corresponds, in every rational import of the terms, with the idea of a federal government.
And in every other nation, the most rational government will not find it a superfluous advantage to have the prejudices of the community on its side.
About three hundred years ago, it was decreed by the Chief Circle that, since women are deficient in Reason but abundant in Emotion, they ought no longer to be treated as rational, nor receive any mental education.
The fear I felt was no rational fear, but a panic terror not only of the Martians, but of the dusk and stillness all about me.
Of course there is no guaranteeing (this is my comment) that it will not be, for instance, frightfully dull then (for what will one have to do when everything will be calculated and tabulated), but on the other hand everything will be extraordinarily rational.
It would surely be much more rational if conversation instead of dancing were made the order of the day.
I am bewildered in my endeavours to form some rational conjecture of what Mrs.