natural religions

Noun

natural religion (countable and uncountable, plural natural religions)

1. Religion that arises from human reason and experience, as opposed to that which is based on miraculous or supernatural revelation.
   • I own indeed that most who have evinced the truth of reveal religion, have said something of the weakness of natural religion.1812, Thomas Halyburton, Natural Religion Insufficient, and Revealed Necessary, to Man's Happiness in his Present State; or, A Rational Inquiry into the Principles of the Modern Deists, page 39
2. Religion that sees God and spirituality as a part of nature, and not as something supernatural.
   • Man is the most exalted manifestation of Nature, and thus the highest object of reverence to him, who is imbued with natural religion.1867, George R. Drysdale, The Elements of Social Science, page 445