Source : Webster's Revised Unabridged Dictionary (1913)

Reappearance \Re`ap*pear"ance\, v. i.
   A second or new appearance; the act or state of appearing
   again.

Source : WordNet®

reappearance
     n 1: the event of something appearing again; "the reappearance of
          Halley's comet"
     2: the act of someone appearing again; "his reappearance as
        Hamlet has been long awaited" [syn: {return}]