Definition for RA'TION-AL

RA'TION-AL, a. [Fr. rationnel; It. razionale; L. rationalis.]

  1. Having reason or the faculty of reasoning; endowed with reason; opposed to irrational; as, man is a rational being; brutes are not rational animals. It is our glory and happiness to have a rational nature. – Law.
  2. Agreeable to reason; opposed to absurd; as, a rational conclusion or inference; rational conduct.
  3. Agreeable to reason; not extravagant.
  4. Acting in conformity to reason; wise; judicious; as, a rational man.

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