Religion=
A religion is a set of common beliefs and practices generally held by a group of people,
Religion - Wikipedia
Actually, the full quote from Wikipedia is:
A religion is a set of common beliefs and practices generally held by a group of people, often codified as prayer, ritual, and religious law.
[Emphasis added.]
I mean, come on, if only common beliefs and practices is what makes a religion, then what isn't a religion?
I've done everything the Bible says, even the stuff that contradicts the other stuff! -- Ned Flanders