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

1) chairman (of the board) , director, managing director, chief executive, president, chief (executive officer) , CEO, manager, head, leader, principal, administrator, official; supervisor, foreman, superintendent, overseer, boss, master, Colloq Mr Big, (chief or head) honcho, number one, kingpin, Slang top banana, big cheese, numero uno, top dog: She is an executive in the local power company. 2) administration, management, directorship, directorate, government, leadership, supervision: Five people form the executive of the society. --adj. 3) administrative, managerial, supervisory, official, governing, governmental, gubernatorial, regulatory: He works in the executive department of the government.