from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To reach (a conclusion) by reasoning.
- transitive v. To infer from a general principle; reason deductively: deduced from the laws of physics that the new airplane would fly.
- transitive v. To trace the origin or derivation of.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To reach a conclusion by applying rules of logic to given premises.
- v. To take away; to deduct; to subtract.
- v. To lead forth.
from the GNU version of the Collaborative International Dictionary of English
- transitive v. To lead forth.
- transitive v. To take away; to deduct; to subtract.
- transitive v. 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.
from The Century Dictionary and Cyclopedia
- To lead forth or away; conduct.
- To trace the course of; describe from first to last.
- To draw; derive; trace.
- To derive or conclude as a result of a known principle; draw as a necessary conclusion; infer from what is known or believed. See deduction, and deductive reasoning, under deductive.
- To bring before a court of justice for decision.
- To deduct.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. conclude by reasoning; in logic
- v. reason by deduction; establish by deduction
Middle English deducen, from Latin dēdūcere, to lead away or down : dē-, de- + dūcere, to lead; see deuk- in Indo-European roots.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin deducere, "lead from or concerning", from de-, "of" or "concerning", ducere, "lead". (Wiktionary)