The quality or state of being mentally agile
(Noun)
Intelligence as revealed by an ability to give correct responses without delay
(Noun)
Synonyms:
  1. mental quickness
  2. quick-wittedness

Words Related to Quickness

Related words are words that are directly connected to each other through their meaning, even if they are not synonyms or antonyms. This connection may be general or specific, or the words may appear frequently together.