Theologian :: Theologian (n.) A person well versed in theology; a professor of theology or divinity; a divine.
Theological :: Theological (a.) Of or pertaining to theology, or the science of God and of divine things; as, a theological treatise..
Theologize :: Theologize (v. t.) To render theological; to apply to divinity; to reduce to a system of theology.
Theologize :: Theologize (v. i.) To frame a system of theology; to theorize or speculate upon theological subjects.