DEDUCE

deduce, infer, deduct, derive

(verb) reason by deduction; establish by deduction

deduce, infer

(verb) conclude by reasoning; in logic

Source: WordNet® 3.1

Etymology

Verb

deduce (third-person singular simple present deduces, present participle deducing, simple past and past participle deduced)

(transitive) To reach a conclusion by applying rules of logic to given premises.

(obsolete) To take away; to deduct; to subtract.

(obsolete, Latinism) To lead forth.

Usage notes

• For example, from the premises "all good people believe in the tooth fairy" and "Jimmy does not believe in the tooth fairy", we deduce the conclusion "Jimmy is not a good person". This particular form of deduction is called a syllogism. Note that in this case we reach a false conclusion by correct deduction from a false premise.

Synonyms

• (reach a conclusion by applying rules of logic): conclude, infer

Antonyms

• (reach a conclusion by applying rules of logic): induce

Anagrams

• deuced, educed

Source: Wiktionary

De*duce", v. t. [imp. & p. p. Deduced; p. pr. & vb. n. Deducing.] Etym: [L. deducere; de- + ducere to lead, draw. See Duke, and cf. Deduct.]

1. To lead forth. [A Latinism] He should hither deduce a colony. Selden.

2. To take away; to deduct; to subtract; as, to deduce a part from the whole. [Obs.] B. Jonson.

3. To derive or draw; to derive by logical process; to obtain or arrive at as the result of reasoning; to gather, as a truth or opinion, from what precedes or from premises; to infer; -- with from or out of. O goddess, say, shall I deduce my rhymes From the dire nation in its early times Pope. Reasoning is nothing but the faculty of deducing unknown truths from principles already known. Locke. See what regard will be paid to the pedigree which deduces your descent from kings and conquerors. Sir W. Scott.

Source: Webster’s Unabridged Dictionary 1913 Edition