Hector Berlioz was a French romantic composer and one of the most significant musicians of the 19th century. He is remembered for his innovative works and orchestration techniques, which were often inspired by literary masterpieces. Some of the synonymous terms used to describe Hector Berlioz include virtuoso, master, innovator, and revolutionary. He was a pioneer in the field of orchestration and experimented with unusual musical instruments and combinations. Other synonymous words used to define him include genius, trailblazer, artist, and visionary. His contribution to the world of music is unparalleled and his legacy continues to inspire many composers around the world.