ἀξιοσπούδαστος
From LSJ
ἔκστασίς τίς ἐστιν ἐν τῇ γενέσει τὸ παρὰ φύσιν τοῦ κατὰ φύσιν → what is contrary to nature is any developmental aberration from what is in accord with nature (Aristotle, On the Heavens 286a19)
English (LSJ)
ον,
A worthy of zealous endeavours, X.Lac.10.3 (Comp.), Plu. 2.5d.
German (Pape)
[Seite 270] des Eifers u. der Anstrengungwerth, Xen. Lac. 10, 3; Plut. ed. lib. 8.