- theismBelief in the existence of at least one deity.
- TheotokosSynonym of Mary, mother of Jesus, in particular reference to her role giving birth to God.
- theodicyA justification of a deity or of particular attributes of a deity; specifically, a justification of the existence of evil and suffering in the world; a work or discourse justifying the ways of God.
- hecastotheismA general form of animism in which both animate and inanimate objects are believed to have supernatural powers.
- henotheismBelief in or worship of one deity without denying the existence of other deities.
- polypantheismBelief in multiple impersonal nontranscendent deities embodied by natural phenomena.
- theanthropicPartaking of, or combining, both divinity and humanity.
- theanthropismA state of being God and man.
- theocrasyInteraction, admixture, and conflation of divine principles.
- theotechnyThe scheme of divine intervention; the art of introducing deities into poetry.