ec·u·me·nic·i·ty \ˌekyəməˈnisəd.ē, ˌēk-, -(ˌ)meˈ-\noun (-es) Etymology:ecumenic + -ity : the quality or state of being ecumenical; especially: the condition of being ecumenically united in a worldwide interconfessional and interdenominational Christian fellowship : ecumenical Christianity