The Collaborative International Dictionary of English v.0.48:

Movie \Mov"ie\, n.
   1. A motion picture.

   Syn: film, picture, moving picture, motion picture, picture
        show, flick.
        [PJC]

   2. A motion picture show; the event of showing a motion
      picture. In the pl., the event of showing a motion picture
      at a movie theater; as, to go to the movies; to spend an
      evening at the movies.
      [PJC]

   3. pl. The motion picture industry or medium, generally.
      [PJC]

WordNet (r) 3.0 (2006):

movie
    n 1: a form of entertainment that enacts a story by sound and a
         sequence of images giving the illusion of continuous
         movement; "they went to a movie every Saturday night"; "the
         film was shot on location" [syn: movie, film,
         picture, moving picture, moving-picture show, motion
         picture, motion-picture show, picture show, pic,
         flick]

Moby Thesaurus II by Grady Ward, 1.0:

83 Moby Thesaurus words for "movie":
   3-D, Cinemascope, Cinerama, Technicolor, Western, actor-proof,
   all-star, animated cartoon, ballet, balletic, black-and-white film,
   cartoon, chiller, cine, cinema, cinematic, cinematographic,
   cinematography, color film, creepie, documentary, documentary film,
   dramatic, dramatical, dramaturgic, educational film, feature, film,
   filmic, flick, flicker, flicks, ham, hammy, histrionic,
   horror picture, horse opera, legitimate, melodramatic, milked,
   monodramatic, motion picture, motion-picture show, movies,
   moving picture, newsreel, nudie, operatic, overacted, overplayed,
   photodrama, photoplay, picture, picture show, pornographic film,
   preview, scenic, short, show, silent, silent film, silver screen,
   skin flick, sneak preview, spaghetti Western, spectacular,
   stagelike, stageworthy, stagy, starstruck, stellar, talkie,
   talking picture, theaterlike, theatrical, thespian, thriller,
   thrown away, trailer, underacted, underground film, underplayed,
   vaudevillian