Definition of perceptiveness in US English:

perceptiveness

noun

  • See perceptive

    • ‘She is known for her intelligence, dry sense of humour, practicality and perceptiveness, almost as much as for her immense wealth.’
    • ‘They recognized his originality, intellect, perceptiveness, and verbal wizardry.’
    • ‘His intuitive culinary perceptiveness and sophisticated approach to food culminate in his presentation of world-class cuisine served in the heart of New York City.’
    • ‘They have displayed a maturity and perceptiveness well beyond their years in this outstanding show.’
    • ‘Observe everything with extraordinary perceptiveness and insight.’

Pronunciation

perceptiveness

/pərˈseptivnəs//pərˈsɛptɪvnəs/