Productively

Improvements may easily be imagined which would annihilate vast portions of the productively invested wealth of individuals; such (e. g.) as a mechanical invention that superseded railways in England, or a development of trade that rendered English wheatgrowing unprofitable: and economic changes of this kind, though smaller in degree, are continually occurring.

[…] Soviet ideology itself may be more productively viewed as the result of conscious attempts to explicate and rationalize assorted discursive strategies, or mechanisms, of newspeak, in much the same way as grammatical rules are invented to describe diverse linguistic practices.

There are people such as Diane Latiker who runs Kids Off the Block, which helps youths spend their time productively after school; Kofi Ademola from Black Lives Matter Chicago; and Pastor Jolinda Wade.

[…] he found himself in that frustrating mental state in which one is too exhausted to think productively and yet too alert to sleep, and in this restless borderland he lay for the remainder of the night […]