What does the word attend mean?

Usage examples for attend

  1. " I've got other matters to attend to. – Dixie Hart by Will N. Harben
  2. You stay here, Mary, till I can attend to him myself. – The Case and The Girl by Randall Parrish
  3. Well, I got my papers to attend to now, but see that you have those things ready by the time I get back. – The Rosie World by Parker Fillmore