craftily
From LSJ
Νίκησον ὀργὴν τῷ λογίζεσθαι καλῶς → Ratione rem putando vince irae impetum → Besiege deinen Zorn durch deines Denkens Kraft
Ar. and V. δόλῳ, V. ἐν δόλῳ, δόλοις, σὺν δόλῳ, P. πανούργως.
by treachery: P. ἐξ ἐπιβουλῆς, V. μεμηχανημένως.