δραστήριος

A. active, efficacious, μηχανή A. Th. 1046; φάρμακον E. Ion 1185; ἀνὴρ δ. ἐς τὰ πάντα Th. 4.81; τὸ δ. activity, energy, Id. 2.63. Adv. ‐ίως Ph. 1.104, Jul. Ep. 10, Hierocl. in CA 26p.479M.

2. rarely in bad sense, τὰ δεινὰ καὶ δ. audacious deeds, E. Or. 1554.

3. active, opp. passive, Plot. 6.1.29; esp. in Gramm., of verbs, D.H. Th. 24. Adv. ‐ίως Syrian. in Metaph. 82.31.