Ecumenism vs. Ecumenicalism — What's the Difference?

Ecumenism (), also spelled oecumenism, is the concept and principle that Christians who belong to different Christian denominations should work together to develop closer relationships among their churches and promote Christian unity. The adjective ecumenical is thus applied to any interdenominational initiative that encourages greater cooperation among Christians and among their churches.

A movement promoting unity among Christian churches or denominations.

A movement promoting worldwide unity among religions through greater cooperation and improved understanding.

(philosophy) Ecumenical doctrines and practices, especially as manifested in the ecumenical movement.

(Christianity) the doctrine of the ecumenical movement that promotes cooperation and better understanding among different religious denominations: aimed at universal Christian unity