useful, profitable, beneficial
Ancient Greek word, found 17 times in the texts on Socratos.
Sophocles, Trachiniae 1014: οὐ πῦρ, οὐκ ἔγχος τις ὀνήσιμον οὐκ ἐπιτρέψει;
Sophocles, Antigone 995: ἔχω πεπονθὼς μαρτυρεῖν ὀνήσιμα.
New Testament, Colossians 4.9: σὺν Ὀνησίμῳ τῷ πιστῷ καὶ ἀγαπητῷ ἀδελφῷ, ὅς ἐστιν ἐξ ὑμῶν· πάντα ὑμῖν γνωρίσουσιν τὰ ὧδε.