ratiocinate

American  

[rash-ee-os-uh-neyt, -oh-suh-, rat-ee-] / ˌræʃ iˈɒs əˌneɪt, -ˈoʊ sə-, ˌræt i- /

verb (used without object)

ratiocinated, ratiocinating

1. to reason; carry on a process of reasoning.

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ratiocinate British  

/ ˌrætɪˈɒsɪˌneɪt /

verb

1. (intr) to think or argue logically and methodically; reason

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Other Word Forms

• ratiocination noun
• ratiocinative adjective
• ratiocinator noun

Etymology

Origin of ratiocinate

First recorded in 1635–45; from Latin ratiōcinātus, past participle of ratiōcinārī “to reckon, calculate, conclude,” verbal derivative of ratiō “reason”