ecumenicalism

English

Etymology

From ecumenical +‎ -ism.

Noun

ecumenicalism (uncountable)

  1. The belief that there should be better understanding and closer co-operation between different denominations in the Christian Church; usually, synonym of ecumenism.

Usage notes

The term is sometimes used pejoratively by those who believe that a lowest common denominator approach dilutes the true Christian message.