Frederick II, commonly known as Frederick the Great, was a renowned monarch of Prussia in the 18th century. As an iconic ruler and military strategist, he was known for his political and cultural reforms that helped shape Prussia as a leading power in Europe. Being a symbol of intellectualism and enlightenment during his reign, there are several synonyms used to describe Friedrich II. Some of the most commonly used synonyms for Frederick II include, "Frederick the Great," "King of Prussia," "The Enlightened Despot," and "Old Fritz." Whatever synonym is used to describe him, Frederick II left an indelible mark on the world and will always be remembered for his contributions to history.