The Collaborative International Dictionary of English v.0.48:
Apperceive \Ap`per*ceive"\, v. t. [F. apercevoir, fr. L. ad + percipere, perceptum, to perceive. See Perceive.] To perceive; to comprehend. --Chaucer. [1913 Webster]WordNet (r) 3.0 (2006):
apperceive v 1: perceive in terms of a past experience