reveal (EN)
verb, noun

verb “reveal”

reveal; he reveals; past revealed, part. revealed; ger. revealing
  1. to make something that was not known or seen before known or visible
    Peeling back the old wallpaper revealed a beautiful mural underneath.
  2. to impart knowledge of something that could not be known without special divine or supernatural insight
    The prophet revealed the future of the kingdom as the gods had shown him in a vision.

noun “reveal”

sg. reveal, pl. reveals
  1. the act of showing something previously hidden, especially as a surprise or key element in a film, story, or joke
    Throughout the movie, we were led to believe that the protagonist was a regular office worker, but the final scene's reveal showed he was actually an undercover spy the whole time.