There are several synonyms for the term "right side." One alternative is the word "dexter," which comes from the Latin term meaning "right." Another option is "starboard," which is commonly used in nautical terms to refer to the right side of a ship. The words "right-hand side" and "rightward" are both frequently used in everyday language to describe the right side of something. Additionally, "east" is a synonym for "right side" when referring to the direction on a map, as it is conventionally shown to the right of a map of north, south, east and west. Ultimately, the choice of synonym will depend on the context in which the term is being used.