rational

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• ră'sh(ə)nəl
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• /ˈɹæʃ(ə)nəl/
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From Old French rationel, rational, from Latin rationalis (“of or belonging to reason, rational, reasonable; having a ratio”), from ratio (“reason; calculation”).

From Old French rational, from Medieval Latin rationale (“a pontifical stole, a pallium, an ornament worn over the chasuble”), neuter of Latin rationalis (“rational”), for which see the first etymology. Translation of λογεῖον (logeîon) or perhaps λόγιον (lógion, “oracle”) in the Septuagint version of Exodus 28.

140 source translations are retained for this English entry.

• Armenian: բանական (banakan) — capable of reasoning
• Bulgarian: разумен (razumen) — capable of reasoning
• Catalan: racional — capable of reasoning
• Chinese Mandarin: 合理的 (hélǐ de) — capable of reasoning
• Chinese Mandarin: 理性的 (lǐxìng de) — capable of reasoning
• Czech: racionální — capable of reasoning
• Finnish: rationaalinen — capable of reasoning
• French: rationnel — capable of reasoning
• French: rationnelle — capable of reasoning
• German: vernünftig — capable of reasoning
• German: sinnvoll — capable of reasoning
• German: rational — capable of reasoning
• Ancient Greek: λογικός (logikós) — capable of reasoning
• Ancient Greek: ἔμφρων (émphrōn) — capable of reasoning
• Hindi: तार्किक (tārkik) — capable of reasoning
• Hungarian: értelmes — capable of reasoning
• Indonesian: rasional — capable of reasoning
• Italian: razionale — capable of reasoning
• Italian: lucido — capable of reasoning
• Macedonian: рациона́лен (racionálen) — capable of reasoning
• Macedonian: ра́зумен (rázumen) — capable of reasoning
• Old English: ġesċeādwīs — capable of reasoning
• Polish: racjonalny — capable of reasoning
• Portuguese: racional — capable of reasoning
• Romanian: rațional — capable of reasoning
• Russian: мы́слящий (mýsljaščij) — capable of reasoning
• Russian: разу́мный (razúmnyj) — capable of reasoning
• Russian: рациона́льный (racionálʹnyj) — capable of reasoning
• Scottish Gaelic: ciallach — capable of reasoning
• Serbo-Croatian: рационалан — capable of reasoning
• Serbo-Croatian: разуман — capable of reasoning
• Serbo-Croatian: racionalan — capable of reasoning
• Serbo-Croatian: razuman — capable of reasoning
• Spanish: racional — capable of reasoning
• Arabic: عَقْلَانِيّ (ʕaqlāniyy) — reasonable; not absurd
• Armenian: ռացիոնալ (ṙacʻional) — reasonable; not absurd
• Armenian: խելացի (xelacʻi) — reasonable; not absurd
• Armenian: նպատակահարմար (npatakaharmar) — reasonable; not absurd
• Bulgarian: смислен (smislen) — reasonable; not absurd
• Catalan: racional — reasonable; not absurd
• Chinese Mandarin: 合理的 (hélǐ de) — reasonable; not absurd
• Czech: racionální — reasonable; not absurd
• Danish: rationel — reasonable; not absurd
• Dutch: rationeel — reasonable; not absurd
• Dutch: redelijk — reasonable; not absurd
• Dutch: verstandelijk — reasonable; not absurd
• Finnish: järkevä — reasonable; not absurd
• Finnish: järjellinen — reasonable; not absurd
• Finnish: järkiperäinen — reasonable; not absurd
• Finnish: järkeenkäypä — reasonable; not absurd
• Finnish: rationaalinen — reasonable; not absurd
• French: raisonnable — reasonable; not absurd
• Georgian: რაციონალური (racionaluri) — reasonable; not absurd
• Georgian: გონივრული (gonivruli) — reasonable; not absurd
• Georgian: ჭკვიანური (č̣ḳvianuri) — reasonable; not absurd
• Georgian: კეთილგონივრული (ḳetilgonivruli) — reasonable; not absurd
• German: vernünftig — reasonable; not absurd
• Gothic: 𐌰𐌽𐌳𐌰𐌸𐌰𐌷𐍄𐍃 (andaþahts) — reasonable; not absurd
• Ancient Greek: λογικός (logikós) — reasonable; not absurd
• Hindi: तार्किक (tārkik) — reasonable; not absurd
• Hungarian: racionális — reasonable; not absurd
• Hungarian: észszerű — reasonable; not absurd
• Indonesian: rasional — reasonable; not absurd
• Italian: ragionevole — reasonable; not absurd
• Italian: sensato — reasonable; not absurd
• Italian: logico — reasonable; not absurd
• Japanese: 合理的 (gōriteki) — reasonable; not absurd
• Korean: 합리적 (hamnijeok) — reasonable; not absurd
• Macedonian: рациона́лен (racionálen) — reasonable; not absurd
• Macedonian: разумен (razumen) — reasonable; not absurd
• Macedonian: целисходен (celishoden) — reasonable; not absurd
• Maltese: għaqli — reasonable; not absurd
• Old English: ġesċeādwīs — reasonable; not absurd
• Polish: racjonalny — reasonable; not absurd
• Polish: rozsądny — reasonable; not absurd
• Portuguese: racional — reasonable; not absurd
• Romanian: rațional — reasonable; not absurd
• Russian: рациона́льный (racionálʹnyj) — reasonable; not absurd
• Russian: разу́мный (razúmnyj) — reasonable; not absurd
• Russian: целесообра́зный (celesoobráznyj) — reasonable; not absurd
• Russian: рассуди́тельный (rassudítelʹnyj) — reasonable; not absurd
• Scottish Gaelic: ciallach — reasonable; not absurd
• Serbo-Croatian: рационалан — reasonable; not absurd
• Serbo-Croatian: разуман — reasonable; not absurd
• Serbo-Croatian: разборит — reasonable; not absurd
• Serbo-Croatian: racionalan — reasonable; not absurd
• Serbo-Croatian: razuman — reasonable; not absurd
• Serbo-Croatian: razborit — reasonable; not absurd
• Spanish: razonable — reasonable; not absurd
• Swedish: rationell — reasonable; not absurd
• Telugu: హేతుబద్దమైన (hētubaddamaina) — reasonable; not absurd
• Ukrainian: раціона́льний (racionálʹnyj) — reasonable; not absurd
• Vietnamese: hợp lí — reasonable; not absurd
• Vietnamese: hợp lý — reasonable; not absurd
• Armenian: ռացիոնալ (ṙacʻional) — arithmetic: of a number
• Bulgarian: рационален (racionalen) — arithmetic: of a number
• Catalan: racional — arithmetic: of a number
• Chinese Mandarin: 有理 (yǒulǐ) — arithmetic: of a number
• Czech: racionální — arithmetic: of a number
• Dutch: rationeel — arithmetic: of a number
• Dutch: rationele — arithmetic: of a number
• Finnish: rationaali- — arithmetic: of a number
• French: rationnel — arithmetic: of a number
• French: rationnelle — arithmetic: of a number
• German: rational — arithmetic: of a number
• Greek: ρητός (ritós) — arithmetic: of a number
• Hindi: परिमेय (parimey) — arithmetic: of a number
• Hungarian: racionális — arithmetic: of a number
• Icelandic: ræður — arithmetic: of a number
• Italian: razionale — arithmetic: of a number
• Japanese: 有理の (yūri no) — arithmetic: of a number
• Korean: 유리수 (yurisu) — arithmetic: of a number
• Macedonian: рациона́лен (racionálen) — arithmetic: of a number
• Polish: wymierny — arithmetic: of a number
• Portuguese: racional — arithmetic: of a number
• Romanian: rațional — arithmetic: of a number
• Russian: рациона́льный (racionálʹnyj) — arithmetic: of a number
• Serbo-Croatian: рационалан — arithmetic: of a number
• Serbo-Croatian: racionalan — arithmetic: of a number
• Spanish: racional — arithmetic: of a number
• Swedish: rationell — arithmetic: of a number
• Tagalog: tagwayin — arithmetic: of a number
• Ukrainian: раціона́льний (racionálʹnyj) — arithmetic: of a number
• Armenian: ռացիոնալ (ṙacʻional) — arithmetic: of an algebraic expression
• Bulgarian: рационален (racionalen) — arithmetic: of an algebraic expression
• Chinese Mandarin: 有理 (yǒulǐ) — arithmetic: of an algebraic expression
• Finnish: rationaali- — arithmetic: of an algebraic expression
• German: rational — arithmetic: of an algebraic expression
• Greek: ρητός (ritós) — arithmetic: of an algebraic expression
• Hindi: परिमेय (parimey) — arithmetic: of an algebraic expression
• Icelandic: ræður — arithmetic: of an algebraic expression
• Japanese: 有理の (yūri no) — arithmetic: of an algebraic expression
• Macedonian: рациона́лен (racionálen) — arithmetic: of an algebraic expression
• Portuguese: racional — arithmetic: of an algebraic expression
• Russian: рациона́льный (racionálʹnyj) — arithmetic: of an algebraic expression
• Serbo-Croatian: рационалан — arithmetic: of an algebraic expression
• Serbo-Croatian: racionalan — arithmetic: of an algebraic expression
• Spanish: racional — arithmetic: of an algebraic expression
• Tagalog: matwirin — arithmetic: of an algebraic expression
• Ukrainian: раціона́льний (racionálʹnyj) — arithmetic: of an algebraic expression