The Oxford Thesaurus An A-Z Dictionary of Synonyms - execution n.

1) accomplishment, performance, carrying out, doing, discharge, dispatch or despatch, implementation, prosecution, realization, enactment: His drinking interferes with the execution of his responsibilities. 2) completion, fulfilment, consummation, achievement, attainment, implementation, bringing about, administration, pursuance: The company will pay ten thousand dollars upon execution of the agreement. 3) killing, capital punishment; assassination, murder, removal, liquidation, slaying: The traitor's execution is tomorrow. There has been another gangland style execution. 4) skill, art, mastery, technique, style, manner, mode, touch, approach, delivery, rendering, rendition, production: The cellist's execution was superb.