The phrase "read riot act" refers to issuing a warning or reprimand to someone who has misbehaved, often in a forceful manner. However, there are several antonyms for this phrase, which refer to alternative ways of addressing such situations. One such antonym is "ignore", which means to disregard the behavior or pretend not to notice it. Another antonym could be "forgive", indicating a decision to overlook or pardon the transgression. Yet another antonym, "praise", suggests commending the person for their good conduct and avoiding criticism altogether. Ultimately, the choice of how to handle the situation depends on the severity of the behavior and the desired outcome.