- conciliator, make-peace, pacifier, peacemaker, reconciler - someone who tries to bring peace
--1 is a kind of mediator, go-between, intermediator, intermediary, intercessor
--1 has particulars: appeaser - Browning machine gun, Peacemaker - a belt-fed machine gun capable of firing more than 500 rounds per minute; used by United States troops in World War II and the Korean War
--2 is a kind of machine gun