The Collaborative International Dictionary of English v.0.48:

Already \Al*read"y\, adv. [All (OE. al) + ready.]
   Prior to some specified time, either past, present, or
   future; by this time; previously. "Joseph was in Egypt
   already." --Exod. i. 5.
   [1913 Webster]

         I say unto you, that Elias is come already. --Matt.
                                                  xvii. 12.
   [1913 Webster]

   Note: It has reference to past time, but may be used for a
         future past; as, when you shall arrive, the business
         will be already completed, or will have been already
         completed.
         [1913 Webster]

WordNet (r) 3.0 (2006):

already
    adv 1: prior to a specified or implied time; "she has already
           graduated"

Moby Thesaurus II by Grady Ward, 1.0:

31 Moby Thesaurus words for "already":
   as yet, before, before all, by this time, earlier, early, ere,
   ere then, erenow, erstwhile, even, formerly, heretofore, hereunto,
   hitherto, once, or ever, previously, priorly, so far, still,
   then as previously, theretofore, thus far, till now, to date,
   to this day, until now, until this time, up to now, yet