This article attempts to explore from many vantage points one word within one context — the word “religion” in the First Amendment of the United States Constitution. The article begins with placing our understanding of religion in a historical context. By exploring the history of religious liberty in the colonies and the Founders’ view thereof, an understanding of what the Founders were seeking to protect by safeguarding religious liberty will be gained. Having established this framework, the article then addresses overarching issues that complicate the quest to define religion. Then, the article transitions into an exploration of the development of the definition of religion in both federal and state courts. Changes in the definition of re...