efficaciter
From LSJ
Τί κοινότατον; ἐλπίς. καὶ γὰρ οἷς ἄλλο μηδέν, αὕτη πάρεστι → What is most common? Hope. For those who have nothing else, that is always there.
Latin > English (Lewis & Short)
effĭcācĭter: adv.,
I efficaciously, effectually, v. efficax fin.
Latin > French (Gaffiot 2016)
effĭcācĭtĕr¹³ (efficax), d’une manière efficace, avec efficacité, avec succès : Quint. 5, 13, 25 ; Tac. G. 8
