From wiki:
Theodicy is a theological or philosophical study which attempts to justify God's (largely in the monotheistic or Abrahamic sense) intrinsic (or foundational) nature of omni-benevolence (all loving), omniscience (all knowing) and omnipotence (all powerful), despite the existence of evil which, in the view of some, would otherwise stand to refute one or more of these qualities or God's existence altogether.
SMBC posted this fantastic illustration of how most people are satisfied with these justification attempts and suggests why a more reality-based alternative to belief in god just doesn't fly with most people:
