Con-sō/ci-ā/tion, n.

(kon-sō/shī-ā/shun), n. [Lat. consociatio, It. consociazione.]

1. Intimate union; fellowship; alliance; companionship; confederation; association; intimacy. “A friendly consociation with your kindred elements.” Warburton.
2. A voluntary and permanent confederacy or union of neighboring churches, for the purpose of mutual advice and co-operation in ecclesiastical matters: it is distinguished from an association, which is composed of ministers alone. [New England.]