Source : Webster's Revised Unabridged Dictionary (1913)

Resettle \Re*set"tle\ (r?-s?t"t'l), v. t.
   To settle again. --Swift.

Resettle \Re*set"tle\, v. i.
   To settle again, or a second time.

Source : WordNet®

resettle
     v : settle in a new place; "The immigrants had to resettle"