Definition Of harmonize
add notes to (a melody) to produce harmony.
At the next lesson Milhaud essentially approved the work after a few comments and suggestions, then requested that Trimble harmonize the melody for the next lesson.
Example Of harmonize
A wooden kitchen chair that no longer matches can easily be spray-painted in a color that will harmonize with the new tablecloth and drapes.
After the sculpture's completion, the original owners designed a house to harmonize with its lines, colors, and atmosphere.
Again, a fresh coat of paint, and new drawer pulls, can transform it, and you can paint it to harmonize with the wall color and with the new sofa bed.
All of the colors seemed to harmonize with each other - perfectly arranged around each other.
An additional purpose, or at least effect, of some international environmental agreements is to harmonize national laws, either globally or regionally.