Eutheism
Origin
Nonce-coinage from eu- + theism (as antonym of dystheism)
Attestation in a 1998 theology lecture http://www.utexas.edu/cola/depts/philosophy/faculty/koons/356/lec19.html.
Humorous attestation on Usenet in 2002http://groups.google.com/group/alt.games.everquest/browse_thread/thread/8f0df5dadf848aee/cb60e1f231543a29?lnk=st&q=eutheist&rnum=1#cb60e1f231543a29.