verb (v)

• move from one country or region to another and settle there(verb.motion)

  Example:
  Many Germans migrated to South America in the mid-19th century.
  This tribe transmigrated many times over the centuries.
  

  Synonym:
  transmigrate
  

  source: wordnet30
• move periodically or seasonally(verb.motion)

  Example:
  Birds migrate in the Winter.
  The workers migrate to where the crops need harvesting.
  

  source: wordnet30
• To remove from one country or region to another, with a view to residence; to change one's place of residence; to remove; as, the Moors who migrated from Africa into Spain; to migrate to the West.(verb)

  source: webster1913