[1] : The Collaborative International Dictionary of English v.0.48

director \direct"or\, n. cf. f. directeur.
   1. one who, or that which, directs; one who regulates,
      guides, or orders; a manager or superintendent.
      1913 webster

            in all affairs thou sole director.    --swift.
      1913 webster

   2. one of a body of persons appointed to manage the affairs
      of a company or corporation; as, the directors of a bank,
      insurance company, or railroad company.
      1913 webster

            what made directors cheat in south-sea year? --pope.
      1913 webster

   3. mech. a part of a machine or instrument which directs
      its motion or action.
      1913 webster

   4. surg. a slender grooved instrument upon which a knife is
      made to slide when it is wished to limit the extent of
      motion of the latter, or prevent its injuring the parts
      beneath.
      1913 webster

[2] : WordNet (r) 2.0

director
     n 1: someone who controls resources and expenditures syn: manager,
           managing director
     2: member of a board of directors
     3: someone who supervises the actors and directs the action in
        the production of a show syn: theater director, theatre
        director
     4: the person who leads a musical group syn: conductor, music
        director
see also:
manager managing director theater director theatre director conductor music director 

[3] : Moby Thesaurus II by Grady Ward, 1.0

94 moby thesaurus words for "director":
   kapellmeister, mc, administrator, auteur, ballyhoo man,
   band leader, band major, bandmaster, banker, barker, baron,
   big boss, big businessman, big cheese, boss, business leader,
   businessman, callboy, captain, captain of industry, castellan,
   chairman, chatelain, chatelaine, chief, cicerone, commandant,
   commander, conductor, costume designer, costumer, costumier,
   drum major, emcee, enterpriser, entrepreneur, equestrian director,
   executive, exhibitor, financier, foreman, gaffer, governor, guide,
   head, headman, helmsman, impresario, industrialist, intendant,
   king, kingpin, leader, little businessman, maestro, magnate,
   makeup man, man of commerce, manager, master, master of ceremonies,
   number one, official, orchestra leader, overseer, pilot,
   playreader, president, principal, producer, prompter, ringmaster,
   ruler, scenewright, set designer, showman, skipper, spieler,
   stage director, stage manager, steersman, superintendent,
   supervisor, symphonic conductor, theater man, theatrician,
   ticket collector, top dog, top executive, tycoon, usher, usherer,
   usherette, vice-president

Director >> D Words
Director, definition of term: Director
director_pag1.html

Art Director >> A Words
Art Director, definition of term: Art Director
art+director_pag1.html