To bring into harmony
conciliate, assuage, pacify, propitiate, mitigate, make up, mediate, arbitrate, intercede, bring together, accustom oneself to, harmonize, restore harmony, settle, accord, dictate peace, accommodate, appease, reunite, make peace between, bring to terms, bring into one's camp, win over, bury the hatchet*, patch up*, kiss and make up*; see also settle 9.
Antonyms bother*, irritate, alienate.