uprightly
From LSJ
Ἡ γλῶσσα πολλοὺς εἰς ὄλεθρον ἤγαγεν → Multis hominibus lingua perniciem attulit → Die Zunge brachte viele ins Verderben schon
erectly: V. ὀρθοστάδην, or use adj.
upright, honestly, met.: P. and V. ὀρθῶς, P. ἴσως, ἐπιεικῶς; see honestly.