How do you spell Donning

Available Definitions:
1)  n. - Sir; Mr; Signior; -- a title in Spain, formerly given to noblemen and gentlemen only, but now common to all classes.
2)  n. - A grand personage, or one making pretension to consequence; especially, the head of a college, or one of the fellows at the English universities.
3)  v. t. - To put on; to dress in; to invest one's self with.