Synonyms of rational in English:

rational

adjective

  • 1 a rational approach
    logical, reasoned, sensible, reasonable, cogent, intelligent, judicious, shrewd, common-sense, commonsensical, sound, prudent; down-to-earth, practical, pragmatic
    [Antonyms] illogical
  • 2 she was not rational at the time of signing
    sane, compos mentis, in one's right mind, of sound mind; normal, balanced, grounded, lucid, coherent
    informal all there
    [Antonyms] insane
  • 3 humans are rational beings
    intelligent, thinking, reasoning; cerebral, logical, analytical
  • Definition of rational in:

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