exercise in, to practise, practise oneself in
exercise in, τὴν ψυχὴν θεάμασιν ἐ. Luc. Salt. 6; τὴν γνώμην ἐνθυμήμασιν Polyaen. 3Praef.:—more freq. in Med., ἐν σοὶ ἐγγυμνασόμενος to practise upon you, Pl. Phdr. 228e; practise oneself in . . , πολέμοις Plu. Caes. 28, cf. Ph. 1.551, Luc. Lex. 22, Jul. Or. 1.37c; ἐν ταῖς πράξεσιν D.C. 36.32, cf. BKT 3p.25:—Pass., Hp. Vict. 2.63; ἐγγυμνασθέντες περί τι Vett.Val. 353.5; λόγοις Luc. Hipp. 2.