κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
good-tempered: Ar. and P. εὔκολος.
affable: P. and V. εὐπροσήγορος, φιλόφρων (Xen.), P. ῥᾴδιος.
easy to deal with: P. and V. εὐχερής.