'Harmonizer' definitions:

Definition of 'harmonizer'

From: WordNet
noun
A musician who sings or plays in harmony [syn: harmonizer, harmoniser]
noun
A mediator who brings one thing into harmonious agreement with another [syn: harmonizer, harmoniser]

Definition of 'Harmonizer'

From: GCIDE
  • Harmonizer \Har"mo*ni`zer\ (-n[imac]`z[~e]r), n. One who harmonizes. [1913 Webster]