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deduce

[dih-doos, -dyoos] /dɪˈdus, -ˈdyus/
verb (used with object), deduced, deducing.
1.
to derive as a conclusion from something known or assumed; infer:
From the evidence the detective deduced that the gardener had done it.
2.
to trace the derivation of; trace the course of:
to deduce one's lineage.
Origin of deduce
1520-1530
1520-30; < Latin dēdūcere to lead down, derive, equivalent to dē- de- + dūcere to lead, bring
Related forms
deducible, adjective
deducibility, deducibleness, noun
deducibly, adverb
nondeducible, adjective
subdeducible, adjective
undeduced, adjective
undeducible, adjective
Can be confused
adduce, deduce, induce.
deduce, deduct.
deducible, deductible.
Synonyms
1. conclude, reason, gather, determine.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for deduce
Contemporary Examples
Historical Examples
  • What now are the results we may deduce from this examination of four versions of the Galahad Queste?

  • Now, from this fact, the philosopher will at once deduce the climate of this region.

    Old Mackinaw W. P. Strickland.
  • From so vast a history we may hope to deduce some of the great laws of true success in life.

  • We deduce a conviction as to what we may best do when the case arises again.

    Folkways William Graham Sumner
  • To take your stand firmly on what you know, and deduce from that.

    The Angel of Pain E. F. Benson
British Dictionary definitions for deduce

deduce

/dɪˈdjuːs/
verb (transitive)
1.
(may take a clause as object) to reach (a conclusion about something) by reasoning; conclude (that); infer
2.
(archaic) to trace the origin, course, or derivation of
Derived Forms
deducible, adjective
deducibility, deducibleness, noun
Word Origin
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
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Word Origin and History for deduce
v.

early 15c., from Latin deducere "lead down, derive" (in Medieval Latin, "infer logically"), from de- "down" (see de-) + ducere "to lead" (see duke (n.)). Originally literal; sense of "draw a conclusion from something already known" is first recorded 1520s, from Medieval Latin. Related: Deduced; deducing.

Online Etymology Dictionary, © 2010 Douglas Harper
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