Also see definition of "Theology" in Bible Study Dictionaries
Word Study
Theology
CIDE DICTIONARY
The science of God or of religion; the science which treats of the existence, character, and attributes of God, his laws and government, the doctrines we are to believe, and the duties we are to practice; divinity; (as more commonly understood) “the knowledge derivable from the Scriptures, the systematic exhibition of revealed truth, the science of Christian faith and life.” [1913 Webster]
"Many speak of theology as a science of religion [instead of “science of God”] because they disbelieve that there is any knowledge of God to be attained." [1913 Webster]
"Theology is ordered knowledge; representing in the region of the intellect what religion represents in the heart and life of man." [1913 Webster]
OXFORD DICTIONARY
Theology, n. (pl. -ies)
1 a the study of theistic (esp. Christian) religion. b a system of theistic (esp. Christian) religion. c the rational analysis of a religious faith.
2 a system of theoretical principles, esp. an impractical or rigid ideology.
1 a the study of theistic (esp. Christian) religion. b a system of theistic (esp. Christian) religion. c the rational analysis of a religious faith.
2 a system of theoretical principles, esp. an impractical or rigid ideology.
Derivative
theologist n. theologize v.tr. & intr. (also -ise).
Etymology
ME f. OF theologie f. L theologia f. Gk (as THEO-, -LOGY)
Also see definition of "Theology" in Bible Study Dictionaries
For further exploring for "Theology" in Webster Dictionary Online