A Christian feast celebrating the manifestation of the Divine nature of Jesus to the Gentiles as represented by the Magi.
A revelatory manifestation of a Divine being.
A sudden manifestation of the essence or meaning of something.
A comprehension or perception of reality by means of a sudden intuitive realization: “I experienced an epiphany, a spiritual flash that would change the way I viewed myself” (Frank Maier).
[Middle English epiphanie, from Old French, from Late Latin epiphania, from Greek epiphaneia, manifestation, from epiphainesthai, to appear : epi-, forth; see epi- + phainein, phan-, to show; see bh-1 in Indo-European roots.]