George Berkeley was a renowned philosopher and clergyman of the 18th century. He is known for his theory of idealism, which argues that the material world does not exist independently of the mind and perception. Synonyms for George Berkeley could include the Bishop of Cloyne; an Irish philosopher; an idealist philosopher; or a Christian philosopher. His contributions to philosophy and theology were significant during his time and continue to influence contemporary discussions in these fields. His works, such as "A Treatise Concerning the Principles of Human Knowledge" and "Three Dialogues between Hylas and Philonous," remain important texts that explore the nature of reality and the limits of human understanding.