Definition of perceptivity in English:

perceptivity

Pronunciation /ˌpərsepˈtivitē/

noun

See perceptive

‘Eloquence and perceptivity did not make Churchill prime minister of Great Britain; it was the fall of France that did so.’
  • ‘My thanks to him for his perceptivity.’
  • ‘Instead, as he shows with great perceptivity, it is the really motivated electorate that is taking to Web technologies with a vengeance.’