δικαιοποιέω
From LSJ
ὁ δὲ πείσεται εἰς ἀγαθόν περ → he will obey you to his profit, he will obey you for his own good end
English (LSJ)
act honestly, Simp. in Epict.p.129D.
Spanish (DGE)
obrar con justicia Origenes M.12.1148B, Simp.in Epict.63.7, Nil.M.79.520D.