acuity

noun

Sharpness or keenness of thought, vision, or hearing.

SYNONYMS

acuityacutenessastutenessclarityclevernessdiscernmentdiscriminationincisivenessinsightintelligencekeennessperceptionperceptivenesspercipienceperspicacityperspicuityprofundityquick-wittednesssagacitysensitivitysharp-wittednesssharpnessshrewdnesssmartnesssubtletythoughtfulnesstrenchancy