Definitions of perception:

• noun:   the process of perceiving
• noun:   knowledge gained by perceiving

  Example: "A man admired for the depth of his perception"

• noun:   a way of conceiving something

  Example: "Luther had a new perception of the Bible"

• noun:   becoming aware of something via the senses
• noun:   the representation of what is perceived; basic component in the formation of a concept