ratiocinatio

English

Etymology

From Latin.

Noun

ratiocinatio (uncountable)

1. (rhetoric) Reasoning (typically with oneself) by asking questions.
2. (rhetoric) Making statements, then asking the reason for such an affirmation, then answering oneself.

See also

• anthypophora
• aetiologia

Latin

Etymology

ratiōcinor +‎ -tiō

Noun

ratiōcinātiō f (genitive ratiōcinātiōnis); third declension

1. reasoning, ratiocination
   • c. 80 BCE – 15 BCE, Vitruvius, De Architectura 1.1:

     opera ea nāscitur ex fabricā et ratiōcinātiōne.

     That service arises from practiced skill and from reasoning.

Declension

Third-declension noun.

Case	Singular	Plural
Nominative	ratiōcinātiō	ratiōcinātiōnēs
Genitive	ratiōcinātiōnis	ratiōcinātiōnum
Dative	ratiōcinātiōnī	ratiōcinātiōnibus
Accusative	ratiōcinātiōnem	ratiōcinātiōnēs
Ablative	ratiōcinātiōne	ratiōcinātiōnibus
Vocative	ratiōcinātiō	ratiōcinātiōnēs

Descendants

• → English: ratiocination

References

• “ratiocinatio”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• “ratiocinatio”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• ratiocinatio in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
• Carl Meißner, Henry William Auden (1894) Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • the syllogism; reasoning: ratiocinatio, ratio