G. Stanley Hall (Granville Stanley Hall) was an American psychologist who played a significant role in the development of modern psychology. While there are not many direct synonyms for his name, some alternative ways to refer to him might include "the father of developmental psychology," "the founder of child psychology," or simply "a pioneering psychologist." Other phrases that could be associated with Hall might include "early psychological researcher," "influential academic," or "innovative thinker." Regardless of the terminology used, Hall's contributions to the field of psychology are widely recognized and he remains an important figure in the development of this discipline.