harmonizes

third-person singular simple present indicative of harmonize

(British, English, Oxford, US, intransitive) To be in harmonious agreement.
(British, English, Oxford, US, intransitive) To play or sing in harmony.
(British, English, Oxford, US, transitive) To provide parts to.
(British, English, Oxford, US, transitive) To bring things into harmony, or to make things compatible; to reconcile; juggle.
(British, English, Oxford, US, transitive) To provide the harmony for a melody.