δεξιότης · dexiotēs — LSJ
dexterity, esp. of mind, sharpness, cleverness, σοφίη καὶ δ. Hdt. 8.124, cf. Ar. Eq. 719, al.; opp. ἀμαθία, Th. 3.37.
= δεξίωσις, δ. καὶ φιλία Paus. 7.7.5.
courtesy, kindliness (cf. δεξιός v), Ph. 2.30.
fortune, felicity, καιροῦ Lyd. Mag. 1.3.