What does the word enlightenment mean?

Usage examples for enlightenment

  1. The same author says: " The priests oppose all enlightenment of the masses." – The Story of Malta by Maturin M. Ballou
  2. There was little enlightenment in that. – The Way of the Gods by John Luther Long
  3. The tide of enlightenment and commercial prosperity must presently sweep in and absorb them. – Judith of the Cumberlands by Alice MacGowan