Meaning of CONSTRUCTIVE in English
adj. 1 a of construction; tending to construct. b tending to form a basis for ideas (constructive criticism). 2 helpful, positive (a constructive approach). 3 derived by inference; not expressed (constructive permission). 4 belonging to the structure of a building. constructively adv. constructiveness n.
[ LL constructivus (as construct) ]
Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012