Faith is the cornerstone of societies throughout the world, and this unique dictionary presents an authoritative, extensive survey of both religious and secular philosophies. All the major religions and beliefs appear in this comprehensive compendium, along with the many denominations, cults, and sects emerging from them--all cross-referenced for easy searching. It also addresses religion's debate with, and response to, secularism and secular systems such as deism, atheism, agnosticism, Utilitarianism, Darwinism, and Marxism.The work's depth and breadth will inspire readers to reflect on fundamental questions about the nature of religion, its role in the formation of human society, how it has conditioned diverse cultures, and why, since the beginning of human history, it has provided a foundation for personal and social ethics.