Acumen

Definition: (1) quickness of perception; keenness of mind; accurate discrimination; (2) the ability to make good judgments
     See also: sagacity

Deviation: Latin, “sharpen to a point”

Quotes:
• We can accelerate our acumen, performance, and success by leveraging our associations and spending time with people better than us. — Robin S. Sharma (1964-) Canadian author
• Take advantage of every opportunity to practice your communication skills so that when important occasions arise, you will have the gift, the style, the sharpness, the clarity, and the emotions to affect other people. — Emanuel James “Jim” Rohn (1930-2009) American motivational speaker