PERSPICACITY

Perspicacity
 * (n.)-** keenness in observing and understanding


 * Synonyms:** acuity, acumen, discernment
 * Antonyms**: dullness, obtuseness

Macbeth's perspicacity during the battle allowed him to fight with precision and lead King Duncan's army to victory.

Putting a ship in a bottle requires much perspicacity and concentration.

By: Megan