consociational

enUK

con·so·ci·a·tion

C0584200 (kən-sō′shē-ā′shən)n.1. Friendly or cooperative association, as between groups or organizations.2. Ecology A subdivision of an association having one dominant species of plant.3. A political arrangement in which various groups, such as ethnic or racial populations within a country or region, share power according to an agreed formula or mechanism.
con·so′ci·a′tion·al adj.