serviceable
From LSJ
τὸν ἰητρὸν δοκέει μοι ἄριστον εἶναι πρόνοιαν ἐπιτηδεύειν → it appears to me a most excellent thing for the physician to cultivate prognosis
P. and V. χρήσιμος, χρηστός, σύμφορος, πρόσφορος, ἐπιτήδειος, Ar. and P. ὠφέλιμος, προὔργου, Ar. and V. ὠφελήσιμος.
