rational

a. ய.ஆறறிவுடைய, பகுத்தறிவு வாய்ந்த, அறவாராய்ச்சிமுறை சார்ந்த, மட்டான, நேர்மை வாய்ந்த, நேரறிவு வாய்ந்த, அறிவுக்குப் பொருத்தமான, காரணகாரியத் தொடர்புடைய, பொருத்தக்கேடற்ற, வஜ்ம்புமீறாத, மிகைபடாத, மடமை சாராத, பகுத்தறிவினடிப்படையிலமைந்த சமயத்துறையில் ஆராய்ச்சிக்குப் பொருந்தாதன நீக்கிய, பழக்கவழக்கங்களில் பகுத்தறிவுக்கொவ்வாதன விலக்கிய, பெண்டிர் ஆடை வகையில் அங்கிபாவாடையின்றிக் குழலாடையுடைய, (கண) மற்ற இயலெண்களுடன் கூறாக்க நிலைத்தொடர்வுடைa. து.ஆற்றிவுடைய, பகுத்தறிவு வாய்ந்த, அறிவாராய்ச்சிமுறை சார்ந்த, மட்டான, நேர்மை வாய்ந்த, அறிவாராய்ச்சிமுறை சார்ந்த,மட்டான, நேர்மைவாய்ந்த, நேரறிவு வாய்ந்த, அறிவுக்குப் பொருத்தமான, காரணகாரியத் தொடர்புயை, பொருத்தக்கேடற்ற, வஜ்ம்புமீறாத, மிகைபடாத, மடமைம சாராத, பகுத்தறிவினடிப்படையிலமைந்த சமயத்துறையிரல் ஆஜ்ய்ச்சிக்குப் பொருந்தாதன நீக்கிய, பழக்கவழக்கங்களில் பகுத்தறிவுக் கொவ்வாதன விலக்கிய, பெண்டிர் ஆடை வகையில் அங்கிபாவாடையின்றிக் குழலாடையுடைய, (கண) மற்ற இயலெண்களுடன் கூறாக்க நிலைத்தொடர்வுடை

Synonyms

Antonyms

Ra"tion*al, a. Etym: [L. rationalis: cf. F. rationnel. See Ratio, Reason, and cf. Rationale.] 1. Relating to reason; not physical; mental. Moral philosophy was his chiefest end; for the rational, the natural, and mathematics . . . were but simple pastimes in comparison of the other. Sir T. North. 2. Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning. It is our glory and happiness to have a rational nature. Law. 3. Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man. 4. (Chem.) Defn: Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formulæ. See under Formula. Rational horizon. (Astron.) See Horizon, 2 (b). -- Rational quantity (Alg. ), one that can be expressed without the use of a radical sign, or in extract parts of unity; -- opposed to irrational or radical quantity. -- Rational symptom (Med.), one elicited by the statements of the patient himself and not as the result of a physical examination. Syn. -- Sane; sound; intelligent; reasonable; sensible; wise; discreet; judicious. -- Rational, reasonable. Rational has reference to reason as a faculty of the mind, and is opposed to traditional; as, a rational being, a rational state of mind, rational views, etc. In these cases the speculative reason is more particularly, referred to. Reasonable has reference to the exercise of this faculty for practical purposes, and means, governed or directed by reason; as, reasonable prospect of success. What higher in her society thou find'st Attractive, human, rational, love still. Milton. A law may be reasonable in itself, although a man does not allow it, or does not know the reason of the lawgivers. Swift. Ra"tion*al, n. Defn: A rational being. Young. Ra"tion*al, a. Etym: [L. rationalis: cf. F. rationnel. See Ratio, Reason, and cf. Rationale.] 1. Relating to reason; not physical; mental. Moral philosophy was his chiefest end; for the rational, the natural, and mathematics . . . were but simple pastimes in comparison of the other. Sir T. North. 2. Having reason, or the faculty of reasoning; endowed with reason or understanding; reasoning. It is our glory and happiness to have a rational nature. Law. 3. Agreeable to reason; not absurd, preposterous, extravagant, foolish, fanciful, or the like; wise; judicious; as, rational conduct; a rational man. 4. (Chem.) Defn: Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formulæ. See under Formula. Rational horizon. (Astron.) See Horizon, 2 (b). -- Rational quantity (Alg. ), one that can be expressed without the use of a radical sign, or in extract parts of unity; -- opposed to irrational or radical quantity. -- Rational symptom (Med.), one elicited by the statements of the patient himself and not as the result of a physical examination. Syn. -- Sane; sound; intelligent; reasonable; sensible; wise; discreet; judicious. -- Rational, reasonable. Rational has reference to reason as a faculty of the mind, and is opposed to traditional; as, a rational being, a rational state of mind, rational views, etc. In these cases the speculative reason is more particularly, referred to. Reasonable has reference to the exercise of this faculty for practical purposes, and means, governed or directed by reason; as, reasonable prospect of success. What higher in her society thou find'st Attractive, human, rational, love still. Milton. A law may be reasonable in itself, although a man does not allow it, or does not know the reason of the lawgivers. Swift. Ra"tion*al, n. Defn: A rational being. Young.