- belief in a divine or superhuman power or powers to be obeyed and worshiped as the creator(s) and ruler(s) of the universe
- expression of such a belief in conduct and ritual
- any specific system of belief and worship, often involving a code of ethics and a philosophy: the Christian religion, the Buddhist religion, etc.
- any system of beliefs, practices, ethical values, etc. resembling, suggestive of, or likened to such a system: humanism as a religion
- the state or way of life of a person in a monastery, convent, etc.
- any object of conscientious regard and pursuit
Origin of religionMiddle English religioun from Old French or L: Old French religion from Classical Latin religio, reverence for the gods, holiness, in LL(Ec), a system of religious belief from uncertain or unknown; perhaps religare, to bind back from re-, back + ligare, to bind, bind together; or from uncertain or unknown; perhaps re- + Indo-European base an unverified form le?-, to collect from source logic, Classical Greek legein, Classical Latin legere
- to become religious
- to become very conscientious or earnest about something