revelation

/ˌrɛvəˈleɪʃən/
noun
  1. A surprising and previously unknown fact that is revealed to someone, especially one that changes their understanding.
    • The documentary offered a revelation about the true cause of the accident.
    • The discovery of the hidden letters was a shocking revelation.
    • Her confession came as a complete revelation to her family.
  2. The act of making something known or revealing something that was secret or hidden.
    • The book details the gradual revelation of the detective's past.
    • His revelation of the plan surprised everyone in the room.
    • The revelation of the company's financial troubles caused panic.
  3. A divine or spiritual communication of truth or knowledge to humans.
    • The prophet claimed to have received a revelation from God.
    • She described her vision as a personal revelation.
    • Many religions are based on divine revelation.