pluralism

noun

1. 1.The quality or state of being plural, or in the plural number.
2. 2.The state of a pluralist; the holding of more than one ecclesiastical living at a time.
3. 3.A social system that permits smaller groups within a society to maintain their individual cultural identities.
4. 4.The belief that there should be diverse and competing centers of power in society.
5. 5.The acknowledgement of a diversity of political systems.