Religion

Religion, a sense, affecting the whole character and life, of dependence on, reverence for, and responsibility to a Higher Power; or a mode of thinking, feeling, and acting which respects, trusts in, and strives after God, and determines a man's duty and destiny in this universe, or “the manner in which a man feels himself to be spiritually related to the unseen world.”

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)