δυναστεύω
From LSJ
Λόγος εὐχάριστος χάριτός ἐστ' ἀνταπόδοσις → Es sermo gratus pro relata gratia → Ein gutes Wort ist Dank für eine gute Tat
English (LSJ)
A hold power or lordship, be powerful or influential, Hdt.9.2, Isoc.12.82, OGI56.12, etc.; τὸ-εῦον, opp. δῆμος, Th.6.89; ἡ πόλις τῶν λοιπέων ἐδυνάστευε μέγιστον Hdt.5.97: c. gen., to be lord over, Οἰχαλίας D.S.4.31: metaph., αἱ ἄλογοι ἡδοναὶ δ. ψυχῆς Ph.1.19: c. dat., Ath.14.624d: generally, prevail, be prevalent, of a wind, of climate, Hp.Aph.3.5, Aër. 12; to be influential, potent, ἐν τῷ σώματι Id.VM16, cf. Herophil. ap. Gal.12.619:—Pass., to be ruled, πρὸς μυρίων Ph.2.503. II Math., in Pass., to be concerned with powers of numbers, Pl.R.546b.