Definition of "instructiveness" [instructiveness]

• The quality of being instructive; power of instructing. (noun)

The Century Dictionary (Public Domain)

• "I think it's important with Wayne because he's sort of an everyman and, you know, his music is down and dirty, but there's always been an element of instructiveness to it."
• "I believe, moreover, that the boredom of such a book would match its instructiveness."
• "Back on deck I press the instructor about the instructiveness of all of this."