regalia

THE INTHRONIZATION. The King ascended the Theatre, accompanied by the two Bishops his Supporters, the Great Officers of State, the Lords carrying the Swords, and the Lords who had borne Their Majesties' Regalia, and was Inthroned by the Archbishops, Bishops, and the other Peers, who then stood about the steps of the Throne.

to be dressed in full regalia (dressed up)

After having a long time treated their Prisoners very well, and given them all the Regalia's they can think of, he to whom the Prisoner belongs, invites a great Assembly of his Kindred and Friends