Initiation from Problems on the Path of Return by Mark Stavish, M.A. in Vol 3 No 1 of Caduceus.

“These sudden flashes of insight and alteration of consciousness can in some instances be called initiations, some being minor, and others more significant. Unfortunately, the concept of initiation in esoteric circles is filled with many misconceptions, and in psychology, it has no equivalent term or phrase, although several might be suggested.” [via]