When it comes to the phrase "done it all," there are plenty of synonyms that can be used to express the same idea. Some possibilities might include "been there, done that," "seen and done it all," "experienced everything," or "explored every possibility." Other options might include "mastered all challenges," "conquered every obstacle," or "dominated every realm." Ultimately, the choice of synonym will depend on the context and the desired connotations; some options might imply more achievement or expertise, while others might emphasize a broader range of experience or a more laid-back attitude.