in ‧ struc ‧ tive AC /ɪnˈstrʌktɪv/ BrE AmE adjective
[ Word Family: noun : ↑ instruction , ↑ instructor ; adjective : ↑ instructive , ↑ instructional ; verb : ↑ instruct ; adverb : instructively]
providing a lot of useful information SYN informative :
Thank you, that was very instructive.
an instructive comparison