Instead of using the phrase "rattle one's cage," there are other phrases that convey a different sentiment. Some antonyms for the phrase include "soothe one's soul," "calm one's nerves," and "ease one's mind." These phrases communicate a sense of being at peace instead of feeling upset or agitated. Additionally, phrases like "respect one's boundaries" and "avoid confrontation" are antonyms for "rattle one's cage," as they imply maintaining a sense of privacy and avoiding conflict. By utilizing different language, we can shift the tone of a conversation, and create a more peaceful and respectful environment.