epiphany (noun)

1. In the science fiction novel, the protagonist has an epiphany when he discovers he has the ability to travel through time.

2. In Greek mythology, Zeus had an epiphany when he realized he could overthrow his father Cronus and become the king of the gods.

3. During the religious ceremony, the priest recounted the story of the wise men having an epiphany after seeing the star leading them to baby Jesus.

4. In the horror movie, the main character experiences an epiphany when they uncover the dark secret of the haunted house they are living in.