paganism

The religious beliefs and practices of pagans; religious opinion, worship, and conduct which is not Christian, Jewish, or Mohammedan.

The state of being pagan; pagan characteristics; esp., the worship of idols or false gods, or the system of religious opinions and worship maintained by pagans; heathenism.

Indigenous and polytheistic religions.

A class of religions often associated with nature rituals.

any of various religions other than Christianity or Judaism or Islamism