epiphany

US /ɪˈpɪf.ən.i/
UK /ɪˈpɪf.ən.i/
"epiphany" picture
1.

a moment of sudden and great revelation or realization

:
He had an epiphany while meditating, realizing the true meaning of life.
The discovery of the new evidence was an epiphany for the detective.
2.

(in the Christian Church) the manifestation of Christ to the Gentiles as represented by the Magi (Matthew 2:1–12).

:
Christians celebrate Epiphany on January 6th.
The Feast of the Epiphany commemorates the visit of the Magi to the infant Jesus.