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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
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. 2014.
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Examples from the web for deduce
  • But listening to it is like trying to deduce all of Bach from a single sonata.
  • His voice adds a level of immanency that a reader might not deduce from reading it alone.
  • But they were not able to deduce what exactly they had produced.
  • While short in geologic terms, that's enough to deduce climate trends.
  • Then the characters deduce, for example, what kinds of food different dinosaurs eat by examining their mouths and teeth.
  • The scientists deduce that the surface features of Mars are much older than they had suspected — perhaps five billion years old.
  • Students can deduce how a class is going to shape up simply from the elements of the syllabus itself.
  • From the pattern of repeated images, one could deduce the universe's true size and shape.
  • If you're good at math, you should therefore be able to deduce how many clock hours the actual reading takes.
  • If the monkey can consistently learn to grab the green ball, it is logical to deduce that he can tell red and green apart.
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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