perceptiveness

(n) a feeling of understanding perceptivity, insight,
(n) 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
appreciation, discernment, taste,
(n) perception of that which is obscure discernment,
(n) the quality of insight and sympathetic understanding

perceptivity insight appreciation discernment taste

unperceptiveness