Henry George Liddell, Robert Scott, A Greek-English Lexicon

A.of or for a leader, ready to lead or guide, “πρός τι” X.Mem.2.3.14 (Comp.); “πρὸς τὰ πονηρά” Id.Cyr.2.2.25; “κλῆμα -ώτατον τῆς ἀμπέλου” Gp.4.13.4; ἡ. τόπος vital spot, Vett.Val.38.13.

II. capable of command, authoritative, “ψυχὴ ἐν τοῖς ἥλιξι ἡ.” X.Smp.8.16; “ἡ. φύσις” Philol.11; “ἡ. τὴν φύσιν” Pl.Phdr.252e; “ἡ. τέχναι” Id.Phlb.55d; “οἱ κατ᾽ ἀρετὴν ἡ. πρὸς πολιτικὴν ἀρχήν” Arist.Pol.1288a12; τὸ ἄρρεν . . τοῦ θήλεος -ώτερον ib.1259b2; -ωτάτη [ἐπιστήμη] Id.Metaph.996b10; ἡ. καὶ πολιτικὸς βίος (sc. τῆς πόλεως) Id.Pol.1327b5; ζῴδια viz. Aries, Leo, Sagittarius, Cat.Cod.Astr.1.165, Ptol.Tetr.34; ἡγεμονικόν, authoritative, of knowledge, Pl.Prt.352b; τὸ ἡγεμονικόν the authoritative part of the soul (reason), esp. in Stoic philosophy, Zeno Stoic.1.39, etc.; but also, the governing part of the universe, of the aether or sun, Chrysipp.Stoic.2.186,192, Cleanth.ib.1.112. Adv. -κῶς like a leader, opp. δεσποτικῶς, Arist.Fr.658; “ἡ. καὶ βασιλικῶς” Plb.2.64.6, cf. Procl.in Alc.p.52C.: Comp. -ώτερον more like an Emperor, J.AJ19.4.2.

2. = Lat. consularis, Plu.Pomp.26.

3. of or belonging to the prefect of Egypt, “ὑπηρέτης” CPR18.35 (ii A.D.); “πλοῖα” POxy.2116.1 (iii A.D.).

4. -κά, τά, payment to a “ἡγεμών, ἐδίδοτο Κλέωνι ἐν 'Αλεξανδρείᾳ ἡ . . . καὶ σῖτος ἀκόλουθος” PLond.ined. 2089 (iii B.C.).