αθωωτής

From LSJ

οὐ γὰρ ἂν τό γε πραχθὲν ἀγένητον θείη → since he cannot make what was done as though it had not come to pass

Source

Greek Monolingual

ο (θηλ. -ώτρια)
αυτός που αθωώνει κάποιον με τη μαρτυρία του.
[ΕΤΥΜΟΛΟΓΙΑ < αθωώνω.
ΠΑΡ. αθωωτικός].