1) Church doctrine 2) Creed 3) Doctrine of religious unity 4) Ecumenicalism 5) Ecumenicism 6) Gospel 7) Religious doctrine 8) United Christendom movement 1) Ecumenicalism 2) Ecumenicism 
Ecumenism is an interdenominational initiative aimed at greater Christian unity or cooperation. The term is used predominantly by and with reference to Christian denominations and Christian Churches separated by doctrine, history, and practice. Within this particular context, ecumenism is the idea of a Christian unity in the literal meaning: that ...
the movement or tendency toward worldwide Christian unity or cooperation. The term, of recent origin, emphasizes what is viewed as the universality ... [36 related articles]
Movement that tends to unite the various Christian Churches under one Church. Ecumene in Greek means the inhabited part of the earth, or universality
A movement supporting closer relations and unity between Christians. Often this means denominational dialogues and even mergers (Reid et al. 1990
[n] - the doctrine of the ecumenical movement promoting cooperation and better understanding among different religious denominations
oecumenism noun a movement promoting union between religions (especially between Christian churches)