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

1) seat, armchair, stool, bench, easy chair, rocking-chair: He offered me a chair so I sat down. 2) throne, bench, position, cathedra, authority; professorship, directorship: Sue has been offered a chair on the board. 3) chairperson, chairman, chairwoman, presiding officer, leader, moderator: The chair ruled on the matter after due consideration. --v. 4) preside, lead, govern, moderate, run, direct, manage, oversee: Katherine will chair the meetings during the absence of the president.