The phrase "get a rise out of" is a colloquialism used to describe the act of provoking or teasing someone with the intention of eliciting a strong reaction. Some antonyms for this phrase might include placate, soothe, calm, or appease. Rather than intentionally irritating or upsetting someone, these words imply a desire to calm them down or encourage them to relax. Other antonyms could include words like ignore, overlook, or neglect, which suggest a lack of interest or investment in another person's emotional state. Ultimately, the opposite of "getting a rise out of" someone is demonstrating restraint, empathy, and a desire to foster positive relationships.