ecumenism Synonyms

ecumenicism ecumenicalism oecumenism duumvirate concert commensalism combine combination collusion collectivism mutualism secessionism septet synergy combo broad-mindedness bipartisanship coadministration collaborativeness cochairmanship collaboration coalition blending association assimilation amalgamation alliance agreement aggregation agglomeration affiliation blend breadth coalescence coagency coadjuvancy coaction centralization cartel cabal broadness broad gauge addition