1. Perform, discharge, execute, transact mean to carry to completion a prescribed course of action. Perform is the general word, often applied to ordinary activity as a more formal expression than do, but usually implying regular, methodical, or prolonged application or work: to perform an exacting task. Discharge implies carrying out an obligation, often a formal or legal one: to discharge one's duties as a citizen. Execute means either to carry out an order or to carry through a plan or program: to execute a maneuver. Transact, meaning to conduct or manage, has commercial connotations: to transact business.

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