adj.
Conveying knowledge or information; enlightening.
instructively in·struc'tive·ly adv.
instructiveness in·struc'tive·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.
