There are several words that can be used as antonyms for the word "tribalize". Some of these words include "decentralize", "democratize", "unify", "integrate", and "assimilate". While tribalize refers to the process of creating or dividing people based on tribal, ethnic or cultural identities, these antonyms refer to the opposite process of bringing people together, blurring cultural differences, and promoting inclusivity. For instance, one may use the word "democratize" when referring to the process of making something accessible to a wider audience without regard to their race, ethnicity, or tribal affiliation. Overall, the antonyms to "tribalize" reflect values of harmony, inclusivity, and unity.