noun.
A mental impression of something perceived by the senses, viewed as the basic component in the formation of concepts; a sense datum.
The Century Dictionary and Cyclopedia
noun.
The immediate object in perception, in the sense in which that word is used by modern psychologists.
the GNU version of the Collaborative International Dictionary of English
noun.
That which is perceived.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the representation of what is perceived; basic component in the formation of a concept
Word Usage
"It consists in intermediary experiences (possible, if not actual) of continuously developing progress, and, finally, of fulfillment, when the sensible percept, which is the object, is reached."