William Graham Sumner was a renowned sociologist, economist, and conservative commentator of his time. He is often associated with the concepts of social Darwinism and laissez-faire capitalism. His works include "Folkways" and "The Forgotten Man," which underscored the individualistic nature of American society. Synonyms for William Graham Sumner can include "conservative economist," "social theorist," "economic historian," and "individualism advocate." He was also known as a critic of socialism, labor unions, and government intervention in the economy. Sumner's ideas and theories have continued to influence conservative economic thought and political philosophy in the United States.