The Collaborative International Dictionary of English v.0.48:

Reappear \Re`ap*pear"\ (r[=e]`[a^]p*p[=e]r"), v. i.
   To appear again.
   [1913 Webster]

WordNet (r) 3.0 (2006):

reappear
    v 1: appear again; "The sores reappeared on her body"; "Her
         husband reappeared after having left her years ago" [syn:
         reappear, re-emerge]

Moby Thesaurus II by Grady Ward, 1.0:

32 Moby Thesaurus words for "reappear":
   alternate, be here again, circle, come again, come and go,
   come around, come round, come round again, come up again, cycle,
   echo, go back, intermit, keep coming, oscillate, pulsate, pulse,
   recur, reoccur, repeat, resound, resume, return, reverberate,
   revert, revolve, roll around, rotate, turn, undulate, wheel,
   wheel around