1. (n.) One who, or that which, merges.

2. (n.) An absorption of one estate, or one contract, in another, or of a minor offense in a greater.

Anschluss addition admixture affiliation agglomeration agglutination aggregation agreement alignment alliance alloyage amalgamation articulation assimilation association blend blending bond bracketing cabal cahoots cartel centralization clustering coadunation coalescence coalition colleagueship collegialism collegiality combination combine combo comminglement commingling commixture communication composition comradeship concatenation concourse concurrence confederacy confederation confluence confraternity congeries conglomeration conjugation conjunction connection consolidation conspiracy convergence copartnership copartnery copulation coupling eclecticism ecumenism embodiment encompassment enosis federalization federation fellowship fraternalism fraternity fraternization freemasonry fusing fusion gathering hookup identification immixture inclusion incorporation integration intercommunication intercourse interfusion interlarding interlardment interlinking interminglement intermingling intermixture joinder joining jointure junction junta knotting league liaison linkage linking marriage meeting meld melding mergence merging mingling mixing mixture package package deal pairing partnership pluralism pooling sodality solidification sorority splice symbiosis syncretism syndication syneresis synthesis tie tie-in tie-up unification union wedding yoking