Anschluss addition affiliation agglomeration aggregation agreement alliance amalgamation assimilation association blend blending cabal cartel centralization coalescence coalition combination combine combo composition confederacy confederation congeries conglomeration conjugation conjunction consolidation conspiracy ecumenism embodiment encompassment enosis federalization federation fusion hookup inclusion incorporation integration junction junta league marriage meld melding merger package package deal solidification syncretism syneresis synthesis tie-up unification union wedding