When we say that someone "gets a rise out of" another person, it means they provoke an emotional response, often negative, from that person. Antonyms for this phrase could include "calms down," "soothes," "mollifies," or "placates." These words imply a sense of peaceful resolution, rather than the heated intensity that "gets a rise out of" can suggest. Other possible antonyms might include "disinterests," "bores," or "fails to engage." These words convey a sense of emotional detachment and lack of investment, rather than the passionate response that "gets a rise out of" implies.