Name Acacus Gender Masculine Usage Greek Mythology (Latinized) Scripts Άκακος(Ancient Greek) Edit Status Status Meaning & History From Ancient Greek ἄκᾰκος or ἄκᾰκον, meaning "harmless, guileless". In Greek mythology, Acacus, a son of Lycaon, founded the city of Acacesium and raised the infant Hermes there.