[ dih-doos, -dyoos ]
/ dɪˈdus, -ˈdyus /

verb (used with object), de·duced, de·duc·ing.

to derive as a conclusion from something known or assumed; infer: From the evidence the detective deduced that the gardener had done it.
to trace the derivation of; trace the course of: to deduce one's lineage.

Origin of deduce

1520–30; < Latin dēdūcere to lead down, derive, equivalent to dē- de- + dūcere to lead, bring

Related forms

Can be confused

adduce deduce inducededuce deductdeducible deductible Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for deducible

British Dictionary definitions for deducible


/ (dɪˈdjuːs) /

verb (tr)

(may take a clause as object) to reach (a conclusion about something) by reasoning; conclude (that); infer
archaic to trace the origin, course, or derivation of

Derived Forms

deducible, adjectivededucibility or deducibleness, noun

Word Origin for deduce

C15: from Latin dēdūcere to lead away, derive, from de- + dūcere to lead
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012