territorialize territorialize /təˈrɪtɔːrialˌaɪz/

verb

1. Extend by adding territory  ( territorialise [British] , territorialize )
   extend by adding territory
   
2. Place on a territorial basis  ( territorialise [British] , territorialize )
   place on a territorial basis
    The railways were territorialized
   The railways were territorialized
   
3. Organize as a territory  ( territorialise [British] , territorialize )
   organize as a territory