Source : Webster's Revised Unabridged Dictionary (1913)

Reintegrate \Re*in"te*grate\ (r?*?n"t?*gr?t), v. t. [Pref. re- +
   integrate. Cf. {Redintegrate}.]
   To renew with regard to any state or quality; to restore; to
   bring again together into a whole, as the parts off anything;
   to re["e]stablish; as, to reintegrate a nation. --Bacon.

Source : WordNet®

reintegrate
     v : integrate again; "Russia must be reintegrated into Europe"