de duce

deduce

[dih-doos, -dyoos]
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:
1520–30; < Latin dēdūcere to lead down, derive, equivalent to dē- de- + dūcere to lead, bring

deducible, adjective
deducibility, deducibleness, noun
deducibly, adverb
nondeducible, adjective
subdeducible, adjective
undeduced, adjective
undeducible, adjective

1. adduce, deduce, induce ; 2. deduce, deduct ; 3. deducible, deductible.


1. conclude, reason, gather, determine.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
deduce (dɪˈdjuːs)
 
vb
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
 
[C15: from Latin dēdūcere to lead away, derive, from de- + dūcere to lead]
 
de'ducible
 
adj
 
deduci'bility
 
n
 
de'ducibleness
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

deduce
early 15c., from L. deducere "lead down, derive" (in M.L. "infer logically"), from de- "down" + ducere "to lead" (see duke). Originally literal, sense of "draw a conclusion from something already known" is first recorded 1520s, from M.L.
Online Etymology Dictionary, © 2010 Douglas Harper
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