1. ecumenism(n = noun.group) oecumenism - a movement promoting union between religions (especially between Christian churches);
is a kind of front, movement, social movement
2. ecumenism(n = noun.communication) ecumenicalism, ecumenicism - (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity;
is a kind of church doctrine, creed, gospel, religious doctrine
Derived forms adjective ecumenic1, adjective ecumenical1