- To deduce is defined as to come up with an answer by logic or by putting pieces of information together.
An example of deduce is when police figure out who the killer is by looking at information they obtain.
deduce definition by Webster's New World
- to trace the course or derivation of
- to infer by logical reasoning; reason out or conclude from known facts or general principles
Origin: Middle English deducen ; from Classical Latin deducere, to lead down, bring away ; from de-, down plush ducere, to lead: see duct
- deducible adjective
deduce definition by American Heritage Dictionary
transitive verb de·duced, de·duc·ing, de·duc·es
- To reach (a conclusion) by reasoning.
- To infer from a general principle; reason deductively: deduced from the laws of physics that the new airplane would fly.
- To trace the origin or derivation of.
Origin: Middle English deducen, from Latin dēdūcere, to lead away or down : dē-, de- + dūcere, to lead; see deuk- in Indo-European roots.
- de·ducˈi·ble adjective