When it comes to finding synonyms for "get in to the act," there are a few options to choose from. One phrase that could be used instead is "join the fray." This implies that someone is entering into a chaotic situation or competition. Another option is "step up to the plate," which connotes someone taking on a challenge or responsibility. "Throw one's hat in the ring" is another possibility, suggesting someone is entering into a contest or election. Overall, there are many ways to express the idea of "getting in to the act," and choosing the right synonym can depend on the context and tone of the situation.