acuition

From Medieval Latin acuitio (“whetting, sharpening”), from acuo (“sharpen”). By surface analysis, acuity +‎ -ion.

acuition (uncountable)

1. (obsolete) Synonym of acuation (“act of sharpening”) [15th–20th c.]

• acuity

• acuition in An American Dictionary of the English Language, by Noah Webster, 1828.
• “acuition”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “acuition”, in Dictionary.com Unabridged, Dictionary.com, LLC, 1995–present.
• Oxford English Dictionary, 2nd ed., 1989.