The word Scientology is taken from the Latin scio, which means “knowing, in the fullest sense of the word,” and the Greek word logos, meaning “study of.” It literally means “knowing how to know.”
Meet a Scientologist
Want to Know More?
Short of coming to a Church of Scientology in person, the best answer to the question "What is Scientology?" is in the book Scientology: The Fundamentals of Thought.