Theism is the belief that there is a God — not always a belief in a god, but a metaphysical position about the nature of reality that often takes the form of belief in a particular deity. The idea is simply the affirmation that a divine being exists.
Theologism is the attempt to support that position through science, observation, inference, and the patterns of the natural world. It does not rely on faith; it proceeds instead with hope — the hope that the idea of God remains a rational possibility in a universe still only partly understood.
Theologism is not a religion, nor a doctrine, nor a revival of theism. It is a method of inquiry: a way of examining why the concept of God has persisted across cultures and centuries, and what it reveals about consciousness, meaning, and the architecture of reality itself.