con.so.ci.a.tion

n.（名詞）
Friendly or cooperative association, as between groups or organizations.
聯合：友好的或合作性的聯合，如團體或組織之間的
Ecology A subdivision of an association having one dominant species of plant.
【生態(tài)學】 單優(yōu)種群體：具有一種優(yōu)勢植物的亞門
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.
聯盟：不同群體間的政治約定（如一個國家或地區(qū)內部的民族或種族），根據一個一致同意的方案或機構共享權力

【引伸】
conso.cia.tional
adj.（形容詞）