I consider myself well enough read but I've never seen or heard that word in my life.

theodicy
/thē-ŏd′ĭ-sē/
noun
-A vindication of God's goodness and justice in the face of the existence of evil.
-A vindication of the justice of God in ordaining or permitting natural and moral evil.
-That department of philosophy which treats of the being, perfections, and government of God, and the immortality of the soul.

What has God got to do with it? He's not even using the big unheard words correctly.