visitor

from WordNet (r) 3.0 (2006)
visitor
    n 1: someone who visits [syn: {visitor}, {visitant}]
    
from The Collaborative International Dictionary of English v.0.48
Visitor \Vis"it*or\ [Cf. F. visiteur.] [Written also {visiter}.]
   1. One who visits; one who comes or goes to see another, as
      in civility or friendship. "This great flood of visitors."
      --Shak.
      [1913 Webster]

   2. A superior, or a person lawfully appointed for the
      purpose, who makes formal visits of inspection to a
      corporation or an institution. See {Visit}, v. t., 2, and
      {Visitation}, n., 2.
      [1913 Webster]

            The king is the visitor of all lay corporations.
                                                  --Blackstone.
      [1913 Webster]
    
from Moby Thesaurus II by Grady Ward, 1.0
66 Moby Thesaurus words for "visitor":
      Big Brother, aficionado, arrival, attender, audience, auditor,
      boatswain, boss, buff, caller, chief, comer, company, comptroller,
      controller, entrant, examinant, examiner, fan, floor manager,
      floorman, floorwalker, foreman, freeloader, frequenter, gaffer,
      ganger, gate-crasher, guest, guests, habitue, haunter, head,
      headman, immigrant, in-migrant, incomer, inspector, intruder,
      investigator, monitor, moocher, newcomer, noncommissioned officer,
      observer, overman, overseer, patron, proctor, scrutineer, settler,
      sirdar, slave driver, spectator, straw boss, subforeman, super,
      superintendent, supervisor, surveyor, taskmaster, tester,
      theatergoer, uninvited guest, visitant, visitator

    

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