Why is the ninth month called September?
1650s, from Latin percept-, past participle stem of percipere (see perceive) + -ive. In reference to intelligence from 1860. From mid-15c. as the name of a type of optical instrument. Related: Perceptively; perceptiveness.
perceptive per·cep·tive (pər-sěp'tĭv)adj.
Of or relating to perception.
Having the ability to perceive.