ecumenism Synonyms

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