"Rides off" is commonly used to describe the action of someone departing on horseback or a motorcycle. However, there are several synonyms that can be used to convey this same action. These include "gallops away," "trots off," "departs on horseback," "speeds away on a motorcycle," and "zooms off." These phrases can add more detail and variety to your writing and help to create a more vivid picture in the reader's mind. No matter which synonym you choose, it's important to be clear and concise in your writing to effectively convey the action taking place.