- 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
SynonymsSee more synonyms for deduce on Thesaurus.com
Examples from the Web for deduce
A shriek of glee briefly broke out across the Web as inquiring minds tried to deduce who was the lucky lady.My Bizarre Night With James Deen, Libertarian Porn Star
November 12, 2014
From this it was possible to deduce that the airplane hit the ocean whole, and at what speed.MH17 Is the World’s First Open-Source Air Crash Investigation
July 22, 2014
In fact, we are left to deduce the content of her letters to him from his responses to her.The Struggles of Benjamin Franklin’s Sister Jane
November 21, 2013
They want the jury to deduce that it was a sort of habitual foreplay employed by the popular coach.Jerry Sandusky Trial, Day Three: The Defense Gets Steamrolled
June 14, 2012
The greatest gift is our own eyes, sense of smell, and abilities to deduce.Patricia Cornwell Talks New Book, 'Red Mist,' Forensics, and Angelina Jolie
December 13, 2011
If you deduce a good Providence from the good things in nature, what do you make of the evil?The Stark Munro Letters
J. Stark Munro
I deduce that a lot of my sweetness has been wasted on the desert air.
It was not given to him to deduce from his splendid work the results to which they were destined to lead.Great Astronomers
R. S. Ball
Now, from this fact, the philosopher will at once deduce the climate of this region.Old Mackinaw
W. P. Strickland.
Or could you deduce from the existence of frontal horns that the animal ruminates?Form and Function
E. S. (Edward Stuart) Russell
- (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
Word Origin and History for deduce
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.