What does the word perform mean?

Usage examples for perform

  1. I had no right to perform that ceremony. – The Redemption of David Corson by Charles Frederic Goss
  2. " I have promised," replied Barney, " and what I promise I always perform." – The Mad King by Edgar Rice Burroughs
  3. I can't perform the ceremony, but I can help you. – Washington Square by Henry James