What does the word justification mean?

Usage examples for justification

  1. It was almost as if war had revived her somewhat fainting faith in Harry's ultimate justification. – Star-Dust A Story of an American Girl by Fannie Hurst
  2. She wished to quote Almira's example to her own husband, as a justification for her having bought a richer piece of jewelry than he would otherwise have approved of. – Rollo in Geneva by Jacob Abbott