Noun

• S: (n) rational number, rational (an integer or a fraction)

Adjective

• S: (adj) rational (consistent with or based on or using reason) "rational behavior"; "a process of rational inference"; "rational thought"
• see also
• S: (adj) logical (capable of or reflecting the capability for correct and valid reasoning) "a logical mind"
• S: (adj) reasonable, sensible (showing reason or sound judgment) "a sensible choice"; "a sensible person"
• S: (adj) sane (mentally healthy; free from mental disorder) "appears to be completely sane"
• similar to
• antonym
• derivationally related form
• W: (n) rationalness [Related to: rational] (the quality of being consistent with or based on logic)
• W: (n) rationality [Related to: rational] (the state of having good sense and sound judgment) "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions"
• S: (adj) intellectual, rational, noetic (of or associated with or requiring the use of the mind) "intellectual problems"; "the triumph of the rational over the animal side of man"
• similar to
• derivationally related form
• antonym
• S: (adj) rational (capable of being expressed as a quotient of integers) "rational numbers"
• S: (adj) rational (having its source in or being guided by the intellect (as distinguished from experience or emotion)) "a rational analysis"
• similar to
• derivationally related form
• antonym