paganism
US /ˈpeɪ.ɡən.ɪ.zəm/
UK /ˈpeɪ.ɡən.ɪ.zəm/
1.
a religion other than one of the main world religions, specifically a polytheistic or pantheistic religion.
:
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Ancient Roman religion was a form of paganism.
•
Many modern spiritual movements draw inspiration from historical paganism.