verb (used with object), har·mo·nized, har·mo·niz·ing.
verb (used without object), har·mo·nized, har·mo·niz·ing.
Examples from the Web for harmonizer
Lincoln's whole nature inclined him to be a harmonizer of conflicting parties, rather than a committed combatant on either side.Men of Our Times|Harriet Beecher Stowe
Theosophy, as a harmonizer of faiths, is not likely to accomplish much that will be permanently good.
It is now extolled by its members as "the cement of faiths," "the harmonizer of religions."