Lexical Definition

‎βασιλεύω‎ basileúō (bas-il-yoo'-o) to reign ^G:V
from ‎βασιλεύς‎

king, reign.

• to rule (literally or figuratively)

Abbott-Smith

βασιλεύω, (< βασιλεύς), [in LXX for מלךְ, its parts and derivatives, exc. IV Ki 15:5 (ישׁב);]
to be king, to reign, rule: I Ti 6:15; c. gen. (cl.), Mt 2:22; seq. ἐπί, c. acc. (= Heb. מלךְ על; Bl., § 36, 8), Lk 1:33 19:14, 27, Ro 5:14; ἐπὶ τ. γῆς, on earth, Re 5:10; of God, Re 11:15, 17 19:6; of Christ, Lk 1:33, I Co 15:25, Re 11:15; of Christians, Re 5:10 20:4 (constative aor., M, Pr., 130), Re 20:6 22:5. Metaph., Christians, Ro 5:17, I Co 4:8; θάνατος, Ro 5:14, 17; ἁμαρτία, Ro 5:21 6:12. Ingressive aor. (M, Pr., 109), to begin to reign: I Co 4:8, Re 11:17 19:6 (Cremer, 137).†

Abbott-Smith References

Liddell-Scott-Jones

βασιλεύω-εύω,

to be king, rule, reign, οὐ μέν πως πάντες βασιλεύσομεν ἐνθάδ᾽ Ἀχαιοί [Refs 8th c.BC+]; ἐν ὑμῖν.. βασίλευε was king among you, [Refs 8th c.BC+]; also of a woman, ἢ βασίλευεν ὑπὸ Πλάκῳ reigned as queen, [Refs 8th c.BC+]: in aorist, to have become king, [Refs 5th c.BC+]: with genitive, to be king of, rule over, ἐν.. Ἰθάκῃ βασιλεύσει Ἀχαιῶν [Refs 8th c.BC+]: with dative, to be king among, Γιγάντεσσιν βασίλευεν [LXX+8th c.BC+]:—passive, to be governed by a king, [Refs 5th c.BC+]: generally, to be governed or administered, [Refs 5th c.BC+]: hence, submit to the king, [Refs 1st c.AD+]

__b to be ἄρχων β. at Athens, [Refs 5th c.BC+] of other magistrates, [Refs]
__c later ἡ βασιλεύουσα πόλις the imperial city, of Rome, [Refs 2nd c.AD+]
__2 enjoy as master, τῶ χρυσῶ β. [Refs 3rd c.BC+]
__3 absolutely, live royally, β. ἐν πενίᾳ [NT+1st c.AD+]
__II causal, appoint as king, τινά [LXX]; but β. τισὶ βασιλέα make them a king,[LXX]

_{LSJ Scripture Refs: 1Cor.4.8 ☩ LXX.Josh.9.6 ☩ LXX.1Kgs.8.22}