Could be used to refer to the feeling one gets when they are filled with the holy spirit.
It is a temporary complete loss of doubt and fear combined with the feeling that one is soaringly high on life. So high that they may cause panic in others with their seemingly manic and irrational behavior, such as hanging their head out of the window and yelling "woohoo!" or telling people that "God is Love!"
Revelation is often characterized by ecstatic dancing and speaking in tongues.
The St. Vincent Shakers of St. Vincent Island, not to be confused with the Shakers of English origin, are such a people who believe themselves to experience divine revelations brought to them by the grace and mercy of Jesus Christ.