能認知
Perceptibility \Per*cep`ti*bil"i*ty\, n. [Cf. F. perceptibilit['e].] 1. The quality or state of being perceptible; as, the perceptibility of light or color. 2. Perception. [R.] --Dr. H. More.
perceptibility n : the property of being perceptible [ant: {imperceptibility}]