royal

Boyd’s Bible Dictionary:

(tribe). Title of Hebrew rulers from Saul to Zedekiah, B. C. 1095-588. Other rulers (Gen. 36:31; Ex. 3:19; Num. 31:8). Supreme ruler (1 Tim. 1:17; 6:15).

Strong’s Dictionary of Greek Words:

Greek:
βασίλειος
Transliteration:
basileios
Phonic:
bas-il’-i-os
Meaning:
from 935; kingly (in nature)
KJV Usage:
royal