ratiocination

noun

🔊/ˌrætiˌɒsɪˈneɪʃn/

🔊/ˌreɪʃiˌəʊsɪˈneɪʃn/

[uncountable] (formal)

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the process of thinking or arguing about something in a logical way推理；推论Topics Opinion and argumentc2
Word Originmid 17th cent.: from Latin ratiocinat- ‘deliberated, calculated’, from the verb ratiocinari, from ratio (see ratio).