What does the word sagacity mean?

Usage examples for sagacity

  1. Instead, he saw himself confronted by an individual whose reputation for sagacity in business was well known to him. – An Outcast of the Islands by Joseph Conrad
  2. Then Thomas Mason, our clerk, or my aunt would interfere, and he would protest and yield, having now by habit a great respect for my aunt's sagacity, which in fact was remarkable. – Hugh Wynne, Free Quaker by S. Weir Mitchell