Definition of "acuity"

acuity

/əˈkjuːɪti/

noun
plural acuities
1. Sharpness or acuteness, as of a needle, wit, etc.
2. (figurative) The ability to think, see, or hear clearly.
  Quotations
  And yet Dalio’s acuity prompts an awkward question: how much of Bridgewater’s success comes not from the way it is organized, or any notion of “radical transparency,” but from the boss’s raw investment abilities?
  2011 July 18, John Cassidy, “Mastering the Machine”, in The New Yorker‎