In‐struct″ive (?), a. [Cf. F. instructif.] Conveying knowledge; serving to instruct or inform; as, experience furnishes very instructive lessons. Addison.
In various talk the instructive hours they past. Pope.
— In‐struct″ive‐ly, adv. — In‐struct″ive‐ness, n.
The pregnant instructiveness of the Scripture. Boyle.