The Collaborative International Dictionary of English v.0.48:

Site \Site\, n. [L. situs, fr. sinere, situm, to let, p. p.
   situs placed, lying, situate: cf. F. site. Cf. Position.]
   1. The place where anything is fixed; situation; local
      position; as, the site of a city or of a house. --Chaucer.
      [1913 Webster]

   2. A place fitted or chosen for any certain permanent use or
      occupation; as, a site for a church.
      [1913 Webster]

   3. The posture or position of a thing. [R.]
      [1913 Webster]

            The semblance of a lover fixed
            In melancholy site.                   --Thomson.
      [1913 Webster]

WordNet (r) 3.0 (2006):

site
    n 1: the piece of land on which something is located (or is to
         be located); "a good site for the school" [syn: site,
         land site]
    2: physical position in relation to the surroundings; "the sites
       are determined by highly specific sequences of nucleotides"
       [syn: site, situation]
    3: a computer connected to the internet that maintains a series
       of web pages on the World Wide Web; "the Israeli web site was
       damaged by hostile hackers" [syn: web site, website,
       internet site, site]
    v 1: assign a location to; "The company located some of their
         agents in Los Angeles" [syn: locate, place, site]

Moby Thesaurus II by Grady Ward, 1.0:

95 Moby Thesaurus words for "site":
   abode, agora, amphitheater, area, arena, athletic field,
   auditorium, background, bear garden, bearings, bench mark, bowl,
   boxing ring, bull ring, campus, canvas, circus, cockpit, coliseum,
   colosseum, course, district, emplacement, field, floor, forum,
   ground, gym, gymnasium, hall, haunt, hippodrome, hole, home,
   install, latitude and longitude, lieu, lists, locale, locality,
   locate, location, locus, marketplace, mat, milieu, mise-en-scene,
   open forum, orientation, palaestra, parade ground, pinpoint, pit,
   place, placement, plat, platform, plot, point, position, precinct,
   prize ring, public square, purlieu, purlieus, put, range, region,
   ring, scene, scene of action, scenery, setting, situate, situation,
   situs, sphere, spot, squared circle, stadium, stage, stage set,
   stage setting, stamping ground, station, stead, terrain, theater,
   tilting ground, tiltyard, walk, where, whereabout, whereabouts,
   wrestling ring