Definitions of knowing:

• noun:   clear and certain mental apprehension
• adjective:   evidencing the possession of inside information
• adjective:   alert and fully informed

  Example: "A knowing collector of rare books"

• adjective:   highly educated; having extensive information or understanding

  Example: "Knowing instructors"

• adjective:   by conscious design or purpose

  Example: "A knowing attempt to defraud"