Wiktionary
ecumenicism
n. ecumenicalism; ecumenism
WordNet
ecumenicism
n. (Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity [syn: ecumenism, ecumenicalism]
Usage examples of "ecumenicism".
Erastide is a major holiday in Sendaria, since it fits so neatly into the traditional ecumenicism of the Sendars.
I do not think this would speak well for the breadth of vision and intellectual ecumenicism of the name-givers.