1. establishing or extending colonial control over a territory or people; bringing a region under the political and economic dominance of a colonial power
Usage: British English spelling (American English: colonializing); present participle or gerund form of colonialise

Examples

• European powers spent centuries colonialising Africa and Asia.
• The practice of colonialising indigenous lands caused lasting harm to native populations.
• Britain was actively colonialising territories throughout the 18th and 19th centuries.
• Colonialising nations often exploited local resources and labor.
• The process of colonialising new regions was driven by economic and political ambitions.
• Many historians study how colonialising powers justified their expansion.
• Colonialising efforts left deep cultural and economic impacts on colonized societies.