What does the word optimism mean?

Usage examples for optimism

  1. Granted the necessity of idealism to individual and social health, Mr. Street's views do not conduce to optimism. – Socialism: Positive and Negative by Robert Rives La Monte
  2. Then Bland added with a surprising optimism in one so given to complaining, " We're here, and we ain't hurt, and Los Angeles is just back there a ways. – The Thunder Bird by B. M. Bower