There are several synonyms for Virgil Thomson, who was a prominent American composer and music critic of the 20th century. One of the popular synonyms for him is "musical innovator," owing to his unique style of composition that blended modernist and traditional elements. He was also known for his insightful music criticism, which led to the synonym "music analyst." Some other synonyms for Thomson include "pioneer of American music," "creative genius," and "musical visionary." His contributions to the American music scene, both as a composer and critic, make him a significant figure in the world of classical music with several accolades and recognition to his name.