quickness

Noun

• a rate that is rapid

• intelligence as revealed by an ability to give correct responses without delay

• skillful performance or ability without difficulty
  • his quick adeptness was a product of good design
    
  • he was famous for his facility as an archer
    

Related words

• Synonyms: 
  celerity , rapidity , rapidness , speediness , mental quickness , quick-wittedness , adeptness , adroitness , deftness , facility