The Collaborative International Dictionary
Exclusivism \Ex*clu"siv*ism\, n. The act or practice of excluding being exclusive; exclusiveness.
Wiktionary
n. 1 The practice of being exclusive. Mentality characterized by the disregard for opinions and ideas other than one's own. 2 (context religion English) The doctrine that one religion is the only true religion, or that one religious sect is the only true version of a larger religion.
Wikipedia
Exclusivism is the practice of being exclusive; mentality characterized by the disregard for opinions and ideas other than one's own, or the practice of organizing entities into groups by excluding those entities which possess certain traits. (for an opposite example, see essentialism).
Usage examples of "exclusivism".
In their passion for exclusivism and damning others, they gave his establishment so many names that Barion simply affixed a nonsectarian title that stuck.
They drove about, but they went to places without knowing why, except that the carriage man took them, and they had all the privileges of a proud exclusivism without desiring them.
One was the principle of colonial exclusivism, according to which all the trade of the colonies was to be reserved to the mother country.
In the new Roman world this theological exclusivism broke down, and the priests of a particular god, scattered like their followers among the cities of the eastern world, began to seek a cosmopolitan rather than a nationalist following.
Geneva and Lausanne I understood that a more than American exclusivism prevailed in families that held themselves to be peculiarly good, and believed themselves very old.
In the first place, I want to explain, or try to, the exclusivism of the men of the Outer Worlds.
In contrast to most of the new religions, which are highly syncretic, it shares the exclusivism and intolerance of other religious sects that have always been the hallmarks of Nichiren Buddhism.