Wordnet 3.0
NOUN (1)
1. 
 a person who has returned to the country of origin or whose citizenship has been restored; 
VERB (2)
1. 
 send someone back to his homeland against his will, as of refugees; 
2. 
 admit back into the country; 
The Collaborative International Dictionary of English v.0.48:
Repatriate \Re*pa"tri*ate\ (r?-p?"tr?-?t), v. t. [L. repatriare.
   See 1st Repair.]
   To restore to one's own country.
   [1913 Webster]
WordNet (r) 3.0 (2006):
repatriate
    n 1: a person who has returned to the country of origin or whose
         citizenship has been restored
    v 1: send someone back to his homeland against his will, as of
         refugees
    2: admit back into the country [ant: deport, exile,
       expatriate]