βασίλειος

ον, α, ον, η, ον
A. royal, δεινὸν δὲ γένος βασιλήϊόν ἐστι κτείνειν Od. 16.401; ὁ β. θρόνος Hdt. 1.14, etc.; used by Trag. in lyr., β. οἶκοι, μέλαθρα, A. Ag. 157, Ch. 343; ἰσχύς, τιάρα, Id. Pers. 589,661; νόστος ὁ β. the king's return, ib.8; τοῖς β. νόμοις S. Ant. 382; cf. πῆχυς.
2. of the archon βασιλεύς, ἡ β. στοά IG 12.115, Arist. Ath. 7.1, Paus. 1.3.1 (also of the basilica of Herod at Jerusalem, J. AJ 15.11.5).
3. 'royal', i.e.choice, μύρον Sapph. Supp. 23.19, Crates Com. 2; cf. βασίλεια· γένος ἰσχάδων, Hsch.
4. Ἄρτεμις βασιληΐη, divinity in Thrace, Hdt. 4.33.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project