Arthur S Sullivan was a renowned composer, best known for his work on the Gilbert and Sullivan operettas. When referring to Sullivan, there are many synonyms that can be used to describe his impact on music history. For example, he can be called a musician, composer, or songwriter. Additionally, many people refer to Sullivan as a classical composer due to the fact that his works are classical in nature. Other synonyms for Sullivan include artist, master, and genius, all of which are fitting words that describe his immense talent and influence on the music industry. Ultimately, the use of such synonyms demonstrates Sullivan's importance and legacy in the field of music.