Getting into act is an idiomatic expression that means to start doing something. There are several synonyms that can be used to convey the same meaning. For instance, the phrase can be replaced with "getting started", "initiating", "beginning", "commencing", or "taking action". Each of these phrases encapsulates the idea of moving from a state of inactivity to one of action and productivity. Whether it's to start a new project or pursue a goal, choosing the right synonym can help to communicate your thoughts and intentions with clarity and precision. So, if you're looking to emphasize the need to start something, consider using one of these synonyms in lieu of "getting into act".