The phrase "free up" often means to release or make available something that was previously occupied or restricted. Some synonyms for "free up" include "liberate," "unleash," and "unburden." You could also use "release," "disengage," or "unclog." Another option is "vacate," which implies a space or opportunity has been created. "Clear out" suggests a removal of clutter or excess, while "open up" denotes the creation of opportunities or possibilities. Whatever word you choose, the act of freeing up something can bring a sense of relief and freedom, allowing you to move forward and explore new avenues.