ap·per·cep·tion 
(ăp′ər-sĕpshən)
(ăp′ər-sĕpshən)n.
1. Conscious perception with full awareness.
2. The process of understanding by which newly observed qualities of an object are related to past experience.
[New Latin apperceptiō, apperceptiōn- : Latin ad-, ad- + Latin perceptiō, perception; see PERCEPTION.]
ap′per·ceptive (-sĕptĭv) adj.