One antonym for the word "disinherits" is "bequeaths", which means to leave property or assets to someone in a will or testament. Another antonym is "endows", which refers to giving someone an inheritance or property. "Entitles" can also be an antonym, as it implies granting someone the right to inherit or possess something. "Empowers" is another potential antonym, as it suggests giving someone the authority or ability to inherit or possess assets. Finally, "enriches" can be an antonym for disinherits, as it implies providing someone with additional assets or wealth.