Synonyms and related words :
United Nations troops, agency, appeasement, calming, conciliation, detente, device, dulcification, easing of relations, expedient, going between, instrumentality, intermediation, machinery, mechanism, mollification, pacification, peace-keeping force, peacemaking, peacemongering, placability, placation, propitiation, recourse, relaxation of tension, resort, service, soothing, tranquilization