βασίλειος
ξένος ὢν ἀκολούθει τοῖς ἐπιχωρίοις νόμοις → as a foreigner, follow the laws of that country | when in Rome, do as the Romans do
English (LSJ)
ον, also α, ον A.Pers.589, IG12.115; Ion. and Aeol. βᾰσιλ-ήϊος, η, ον, also βᾰσιλ-ῇος Melinnoap.Stob.3.7.12, Hymn.Is.138:—
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 IG12.115, Arist.Ath.7.1, Paus.1.3.1 (also of the basilica of Herod at Jerusalem, J.AJ15.11.5). 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.