"Playing for time" often refers to intentionally delaying something, usually to avoid dealing with a more pressing matter. When looking for antonyms, we can explore other phrases that convey the opposite meaning. For example, "taking action" implies a sense of urgency and purpose, whereas "remaining idle" suggests inactivity or disinterest. Additionally, "addressing the matter" and "facing the situation" both convey a willingness to tackle the issue head-on instead of putting it off. Overall, there are many ways to express the opposite of "playing for time," and by considering various antonyms, we can choose the most appropriate phrase depending on the context.