c. 1470. Harding, Chron., CLXXVIII. xvi. Thei putte their cause to God his hie excelsitude.
1599. Nashe, Lenten Stuffe, 22. To chaunt and carroll forth the Alteza an excelsitude of this monarchall fludy Induperator.
17306. in Bailey (folio).
1775. in Ash.
b. humorously. As a title or form of address; = HIGHNESS.
1599. Nashe, Lenten Stuffe, Ep. Ded. Your diminutiue excelsitude and compendiate greatnesse.