There are numerous synonyms for the phrase "amuses oneself" that one can use to express this same action in a more varied and engaging way. Some of these synonyms can include "entertains oneself," "enjoys oneself," "diverts oneself," "delights oneself," "occupies oneself," and "passes the time." Additionally, other phrases like "engages in leisure activities," "indulges in pastimes," and "pursues hobbies for pleasure" can also convey the idea of amusing oneself. Regardless of the synonym used, what is clear is that taking time to relax and enjoy oneself is incredibly important for one's overall well-being and happiness.