The Collaborative International Dictionary of English v.0.48:
Reunite \Re`u*nite"\, v. t. & i. To unite again; to join after separation or variance. --Shak. [1913 Webster]WordNet (r) 3.0 (2006):
reunite v 1: have a reunion; unite again 2: unify again, as of a country; "Will Korea reunify?" [syn: reunify, reunite]