1) to go out or come in: to enter
    1a) of men or animals, as into a house or a city
    1b) of Satan taking possession of the body of a person
    1c) of things: as food, that enters into the eater's mouth
 2) metaph.
    2a) of entrance into any condition, state of things, society,
        employment
        2a1) to arise, come into existence, begin to be
        2a2) of men, to come before the public
        2a3) to come into life
   2b) of thoughts that come into the mind