n.
Pronunciation: - ˌ s ō -s ē - ' ā -sh ə n, -sh ē -
Function: noun
Date: 1593
1 : association in fellowship or alliance
2 : an association of churches or religious societies
3 : an ecological community with a single dominant species
– con · so · ci · a · tion · al \ -shn ə l, -sh ə -n ə l \ adjective