The Collaborative International Dictionary of English v.0.48:
Repatriation \Re*pa`tri*a"tion\ (-?"sh?n), n. [Cf. LL. repatriatio return to one's country.] Restoration to one's country. [1913 Webster]WordNet (r) 3.0 (2006):
repatriation n 1: the act of returning to the country of origin