θεῖος, -εία, -εῖον (< θεός), [in LXX: Refs Exo.31:3 35:31, Job.27:3 33:4, Pro.2:17 (אֵל, אֱלֹהִים, אֱלוֹהַּ), Refs Sir.6:35, 1-37 II Mal.3:1-40, 3Ma.1:1-29, 4Mac.25 * ;] divine: δύναμις, 2Pe.1:3; φύσις (for parallel in π., see MM, Exp., xv), 2Pe.1:4; τὸ θ., the Deity (so in cl.; of God, in Philo and FlJ), Act.17:29.† (AS)
Thayer:
1) a general name of deities or divinities as used by the Greeks 2) spoken of the only and true God, trinity 2a) of Christ 2b) Holy Spirit 2c) the Father
θεῖος
theios
thi'-os
From G2316; godlike (neuter as noun, divinity)