sobornost
noun
so·bor·nost
-rˌnȯst
plural -s
: spiritual harmony based on freedom and unity in love : ecumenicity
specifically : the principle of spiritual unity and religious community based on free commitment to a tradition of catholicity interpreted through ecumenical councils of the Eastern Orthodox Church compare conciliarity
Word History
Etymology
Russian, literally, conciliarity, from sobornyĭ conciliar, from sobor council