perchance

from WordNet (r) 3.0 (2006)

perchance
    adv 1: through chance, "To sleep, perchance to dream.." [syn:
           {perchance}, {by chance}]
    2: by chance; "perhaps she will call tomorrow"; "we may possibly
       run into them at the concert"; "it may peradventure be
       thought that there never was such a time" [syn: {possibly},
       {perchance}, {perhaps}, {maybe}, {mayhap}, {peradventure}]

from The Collaborative International Dictionary of English v.0.48

Perchance \Per*chance"\ (p[~e]r*ch[.a]ns"), adv. [F. par by (L.
   per) + chance. See {Par}, and {Chance}.]
   By chance; perhaps; peradventure.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

23 Moby Thesaurus words for "perchance":
      accidentally, as it chanced, by a fluke, by accident, by chance,
      by good fortune, by hazard, casually, conceivably, feasibly,
      for some reason, fortuitously, haply, imaginably, in some way,
      incidentally, it may be, maybe, perhaps, possibly, somehow,
      somehow or other, unpredictably

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