'Harmonization' definitions:

Definition of 'harmonization'

(from WordNet)
noun
A piece of harmonized music [syn: harmonization, harmonisation]
noun
Singing in harmony [syn: harmonization, harmonisation]

Definition of 'Harmonization'

From: GCIDE
  • Harmonization \Har`mo*ni*za"tion\ (h[aum]r`m[-o]*n[i^]*z[=a]"sh[u^]n), n. The act of harmonizing. [1913 Webster]