[ rash-ee-os-uh-ney-shuhn, -oh-suh-, rat-ee- ]
See synonyms for: ratiocinationratiocinative on Thesaurus.com

  1. the process of logical reasoning.

Origin of ratiocination

1520–30; <Latin ratiōcinātiōn- (stem of ratiōcinātiō), equivalent to ratiōcināt(us) (see ratiocinate) + -iōn--ion

Other words from ratiocination

  • ra·ti·oc·i·na·tive, adjective

Words Nearby ratiocination

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use ratiocination in a sentence

  • This is joining two probabilities by way of ratiocination or Deduction; the result of which is a less probability than either.

  • And, even when he sides with the opposite school, it does not mean that he trusts to any scientific process of ratiocination.

    The Life of Mazzini | Bolton King
  • The former would be ranked, in our distribution, among fallacies of generalization, the latter among those of ratiocination.

  • At the same time I needn't say that in this affair that we're now in the middle of—there's no question of ratiocination.

    The Title | Arnold Bennett
  • Abraham arrived at this belief through ratiocination and endeavored to convince others.