harmonized

adjective
UK /ˈhɑːmənaɪzd/
US /ˈhɑːrmənaɪzd/

Made to go together nicely and peacefully.

The two singers' voices were harmonized beautifully.


OTHER MEANINGS

2. Made to fit together as a consistent whole, as in rules or standards.

The countries agreed on a harmonized set of safety rules.

3. Arranged in musical chords or pleasing combinations of notes.

The harmonized melody sounded rich and full.

4. Brought into peaceful agreement after a conflict.

Their differing views were finally harmonized at the meeting.