The Collaborative International Dictionary of English v.0.48:

Reelect \Re`e*lect"\ (r?`?*l?kt"), v. t.
   To elect again; as, to reelect the former governor.
   [1913 Webster]

WordNet (r) 3.0 (2006):

reelect
    v 1: elect again [syn: reelect, return]