A.to be in action or activity, operate, Arist.Rh.1411b26; “εὐδαίμων ὁ κατ᾽ ἀρετὴν τελείαν -ῶν” Id.EN1101a15: c. acc., “ἐνεργεῖς ποσὸν καὶ δυάδα” Plot.6.6.16; esp. of divine or supernatural action, freq. in NT., τινί, ἔν τινι, Ep.Gal.2.8, Ev.Matt.14.2:—Med., Ep.Rom.7.5, al.
2. to be efficacious, of drugs, Diocl.Fr.147, Dsc.1.98, al.; ἐοικότα ἐ. ib.106; “ἐνήργησε τὸ φάρμακον” Plot.6.1.22; to be effective, of troops, “ταῖς σαρίσαις” Ael.Tact.14.6:—Pass., to be the object of action, Arist.de An.427a7, Ph.195b28; “ὁ ἐνεργούμενος λίθος” IG7.3073.108 (Lebad.); also, to be actualized, Plot.3.7.11.
II. trans., effect, execute, “πάντα κατὰ δύναμιν” Plb.18.14.8; “τὰ τοῦ πολέμου” Id.7.5.8; “χρείαν” Ath.Mech.14.2, cf. Aristid. Quint.2.9:—Pass., to be actively carried on, “ὁ πόλεμος ἐνηργεῖτο” Plb.1.13.5, cf. D.S.20.95; “τὰ κατὰ πρόθεσιν ἐνεργούμενα” things executed, Plb.9.12.7; “μηδὲν ἐνέργημα . . ἐνεργείσθω” M.Ant.4.2.
III. Medic., of sexual intercourse, “τὴν τοιαύτην πρᾶξιν -οῦσι μετρίως” Diocl.Fr.141, cf. Cat.Cod.Astr.8(4).176: euphem. for βινεῖν, in opere esse, Theoc.4.61; “ἐ. τινά” Alciphr. 3.55; “ἐρωτικόν τι” Id.1.39.
IV. operate, in surgery, Orib.45.18.5, Paul.Aeg.6.73; ὁ ἐνεργῶν, ὁ ἐνεργούμενος, the surgeon, the patient, Gal.18(2).626,683.
