tribalization n the act of making tribal; unification on a tribal basis Usage(s) And if separatist tendencies go unchecked, the result can only be the fragmentation, resegregation and tribalization of American life. But one point I'd like to add is the 'tribalization' of media, which I think resonates with your point. Synonym(s) tribalisation Antonym(s) detribalization detribalisation