Answer: colonising

AnswerCrossword Clue
colonisingCOLONISE, to establish a colony, also COLONIZE
colonising(of a plant or animal) Establish itself in an area
colonisingCome to settle among and establish political control over (the indigenous people of an area)
colonisingAppropriate (a place or domain) for one's own use
colonising(of a country or its citizens) Send a group of settlers to (a place) and establish political control over it