PERCEPTIVENESS
perceptiveness
(noun) the quality of insight and sympathetic understanding
discernment, perceptiveness
(noun) perception of that which is obscure
taste, appreciation, discernment, perceptiveness
(noun) delicate discrimination (especially of aesthetic values); “arrogance and lack of taste contributed to his rapid success”; “to ask at that particular time was the ultimate in bad taste”
insight, perceptiveness, perceptivity
(noun) a feeling of understanding
Source: WordNet® 3.1
Etymology
Noun
perceptiveness (uncountable)
The state of being perceptive; acumen, discernment, insight
Source: Wiktionary