Deduce Definition

dĭ-do͝os, -dyo͝os
deduced, deduces, deducing
deduced, deduces, deducing
To reach (a conclusion) by reasoning.
American Heritage
To trace the course or derivation of.
Webster's New World
To infer by logical reasoning; reason out or conclude from known facts or general principles.
Webster's New World

To reach a conclusion by applying rules of logic to given premises.


Origin of Deduce

  • Middle English deducen from Latin dēdūcere to lead away or down dē- de- dūcere to lead deuk- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin deducere, "lead from or concerning", from de-, "of" or "concerning", ducere, "lead".

    From Wiktionary


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