rationabilis

Latin

Alternative forms

• raciōnābilis (Early Medieval)

Etymology

ratiō +‎ -ābilis.

Pronunciation

• (Classical Latin) IPA^(key): [ra.ti.oːˈnaː.bɪ.lɪs]
• (modern Italianate Ecclesiastical) IPA^(key): [rat.t͡si.oˈnaː.bi.lis]

Adjective

ratiōnābilis (neuter ratiōnābile); third-declension two-termination adjective

1. (of a person) rational, capable of reasoning
2. (of a thing) (Late Latin) agreeable to reason, reasonable

Declension

Third-declension two-termination adjective.

	singular			plural
	masc./fem.	neuter		masc./fem.	neuter
nominative	ratiōnābilis	ratiōnābile		ratiōnābilēs	ratiōnābilia
genitive	ratiōnābilis			ratiōnābilium
dative	ratiōnābilī			ratiōnābilibus
accusative	ratiōnābilem	ratiōnābile		ratiōnābilīs ratiōnābilēs	ratiōnābilia
ablative	ratiōnābilī			ratiōnābilibus
vocative	ratiōnābilis	ratiōnābile		ratiōnābilēs	ratiōnābilia

Descendants

• Asturian: razonable
• Catalan: raonable
• Friulian: resonevul
• Galician: razoábel
• Italian: ragionevole
• Occitan: rasonable
• Old French: resnable
  • French: raisonnable
    • → Romanian: rezonabil
  • → English: reasonable, English: renable
• Portuguese: razoável
• Romanian: raționabil
• Spanish: razonable

References

• “rationabilis”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• "rationabilis", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “rationabilis”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• rationabilis in Ramminger, Johann (16 July 2016 (last accessed)), Neulateinische Wortliste: Ein Wörterbuch des Lateinischen von Petrarca bis 1700‎, pre-publication website, 2005-2016