constructing or tending to construct or improve or promote development; "constructive criticism"; "a constructive attitude"; "a constructive philosophy"; "constructive permission"
emphasizing what is laudable or hopeful or to the good; "constructive criticism"
producing new life or offspring; "the reproductive potential of a species is its relative capacity to reproduce itself under optimal conditions"; "the reproductive or generative organs"
having the ability to produce or originate; "generative power"; "generative forces"