conciliarist
nounUK /kənˈsɪlɪəɹɪst/
Etymology From conciliar + -ist.
1
A believer in conciliarism; someone who thinks the highest authority of the Church is found in ecumenical councils.
- Conciliarists never achieved consensus as to how to define the Church or account for the authority of a council.2009, Diarmaid MacCulloch, A History of Christianity: The First Three Thousand Years, New York: Penguin Books, published 2011, →ISBN, page 561: