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ratiocinate

play
verb ra·ti·o·ci·nate \ˌra-tē-ˈō-sə-ˌnāt, ˌra-shē-, -ˈä-\

Definition of ratiocinate

ra·ti·o·ci·nat·edra·ti·o·ci·nat·ing

  1. intransitive verb
  2. :  reason

ra·ti·o·ci·na·tor play \-ˌā-tər\ noun


Origin of ratiocinate

Latin ratiocinatus, past participle of ratiocinari to reckon, from ratio + -cinari (as in vaticinari to prophesy) — more at vaticinate


First Known Use: 1643


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