acuteness

Noun

• the quality of having a sharp edge or point

• a quick and penetrating intelligence
  • he argued with great acuteness
    
  • I admired the keenness of his mind
    

• a sensitivity that is keen and highly developed
  • dogs have a remarkable acuteness of smell
    

Related words

• Synonyms: 
  acuity , sharpness , keenness