There are several synonyms for the phrase "returning to form" which refers to a person or thing returning to their former level of performance or ability. These synonyms include: bouncing back, getting back on track, recovering, returning to normal, regaining strength, restoring former glory, coming back stronger, bouncing back to one's old self, and making a comeback. Whether it's an athlete recovering from an injury or a business bouncing back after a setback, the use of these synonyms can help add variety and nuance to the language used to describe the process of returning to form.