mon·gol·ize \ˈmäŋgəˌlīz\transitive verb (-ed/-ing/-s) Usage: often capitalized Etymology:Mongol (II) + -ize 1.: to make Mongolian in racial relationship or characteristics by an admixture of Mongolian blood < mongolized Tartars > 2.: to furnish (a country) with or allow a significant increase in population belonging to the Mongolian race