What does the word expansion mean?

Usage examples for expansion

  1. Secondly, the expansion of yet nobler principles. – The Growth of Thought As Affecting the Progress of Society by William Withington
  2. Both, too, must propagate it; for culture consists in general expansion, and the last degree of personal perfection is attained only when shared with one's fellows. – Selections from the Prose Works of Matthew Arnold by Matthew Arnold
  3. The truth was, his habitual reticence would not have permitted a great degree of expansion in any case, but now the presence of Hilda made any but an attitude of hushed waiting for her words utterly impossible to him. – The Blazed Trail by Stewart Edward White