adjective. inhabited by people who were born in or retain strong ties to another country.

adjective. politically ruled by citizens of another country.

adjective. having a population (of animals or plants) which moved in from another territory.

verb. Simple past tense and past participle of colonize.

adjective. inhabited by colonists

"However, despite the strict adherence to British social customs in colonized countries, the influence went both ways, with the countries adopting certain aspects of British culture, and British culture absorbing the customs of the other country."

inhabited  

settled  

colonize