Regal

(a.) Of or pertaining to a king; kingly; royal; as, regal authority, pomp, or sway.

Regal - Other Definitions

(a.) Of or pertaining to a king; kingly; royal; as, regal authority, pomp, or sway.
(n.) A small portable organ, played with one hand, the bellows being worked with the other, -- used in the sixteenth and seventeenth centuries.
(adv.) In a regal or royal manner.