efficienter
From LSJ
τὸ κακὸν δοκεῖν ποτ' ἐσθλὸν τῷδ' ἔμμεν' ὅτῳ φρένας θεὸς ἄγει πρὸς ἄταν → evil appears as good to him whose mind the god is leading to destruction (Sophocles, Antigone 622f.)
Latin > English
efficienter ADV :: effectively; so as to produce an effect; efficiently (L+S)
Latin > English (Lewis & Short)
effĭcĭenter: adv.,
I efficiently, v. efficio, P. a. 1.
Latin > French (Gaffiot 2016)
effĭcĭenter, avec une vertu efficiente : Cic. Fato 34.
Latin > German (Georges)
efficienter, Adv. (efficiens), wirksam, Cic. de fat. 34.