cosmopolitanize
Cosmopolitanize is a verb that describes the process of making something or someone more cosmopolitan. To be cosmopolitan means to be free from local prejudices and attachments, to be at home in all countries and all societies. Therefore, to cosmopolitanize is to imbue an entity with a global perspective, to expand its horizons beyond national or regional boundaries, and to foster an understanding and appreciation of diverse cultures.
This process can be applied to individuals, societies, cities, or even ideas. For an individual, cosmopolitanizing