What does the word instance mean?

Usage examples for instance

  1. For instance, how can anybody that hasn't been in the business tell what's good acting and what's a good part?" – Harlequin and Columbine by Booth Tarkington
  2. Max Wyndham for instance!" – The Keeper of the Door by Ethel M. Dell
  3. I had a good instance of the danger of superimposition of style. – A Dominie in Doubt by A. S. Neill