What does the word reform mean?

Usage examples for reform

  1. " I had," he says, " a state to preserve, as well as a state to reform. – Burke by John Morley
  2. A great demand arose for reform in the whole administration of the country. – Life of Charles Dickens by Frank Marzials
  3. You have my sympathy on that account, and I hope that in time you will do better- will reform. – The Trail to Yesterday by Charles Alden Seltzer