Wiktionary
conciliationist
n. A proponent of conciliationism.
Usage examples of "conciliationist".
Russia in 1912 gave fresh heart to the Marxists - and to conciliationist tendencies in the Party.
Petrograd Committee on November 14th, 1917, Lenin spoke on the danger of conciliationist tendencies in the Party leadership which constituted a threat even after the October Revolution.