From the ArcaMax Publishing, Vocabulary Newsletter:
http://www.arcamax.com/news/vocabulary/s-371081-136325
delectation \dee-lek-TAY-shun\ (noun) - Great pleasure; delight,
enjoyment.
"Julia frequently played the harp, and would choose, for her friend's
special delectation, her most doleful nocturnes..." -- Leo Tolstoy,
'War and Peace'
Delectation derives from Latin delectatio, from the past participle of
delectare, "to please."