The god of monotheism, pantheism or panentheism, or the supreme deity of henotheistic religions, may be conceived of in various degrees of abstraction:

Monotheist conceptions of God appear in the Hellenistic period, out of predecessor concepts of monism (mostly in Eastern religions) and henotheism.

Since humans, plants and animals, rocks, mountains and so forth have been labeled as divine by various religions, it can be argued that anything can be considered a god, and that there is no criteria other than acknowledgement of divinity.

In his Metaphysics, Aristotle discusses meaning of "being as being". Aristotle holds that "being" primarily refers to the Unmoved Movers, and assigned one of these to each movement in the heavens. Each Unmoved Mover continuously contemplates its own contemplation, and everything that fits the second meaning of "being" by having its source of motion in itself, moves because the knowledge of its Mover causes it to emulate this Mover (or should).

Aristotle's definition of God attributes perfection to this being, and as a perfect being can only contemplate upon perfection and not on imperfection, otherwise perfection would not be one of his attributes. God, according to Aristotle, is in a state of "stasis" untouched by change and imperfection. The "unmoved mover" is very unlike the conception of God that one sees in most religions. It has been likened to a person who is playing dominos and pushes one of them over, so that every other domino in the set is pushed over as well, without the being having to do anything about it. Although, in the 18th century, the French educator Allan Kardec brought a very similar conception of God during his work of codifying Spiritism, this differs to the interpretation of God in most religions, where he is seen to be personally involved in his creation.