theodicy
Concise Oxford English Dictionary © 2008 Oxford University Press:
theodicy /θɪˈɒdɪsi/
▶noun (pl. theodicies) the vindication of divine providence in view of the existence of evil.
– derivatives
theodicean /-ˈsiːən/ adjective.
theodicean /-ˈsiːən/ adjective.
– origin C18: from Fr. Théodicée, the title of a work by Leibniz, from Gk theos ‘god’ + dikē ‘justice’.
'theodicy' also found in these Oxford entries:

