Sentence:  Finally , the theatrical ( and perversely erotic ) notions of dressing up , cosmetics , disguise , and especially change of <WSD>costume</WSD> ( or singularity of costume , as with Cipolla ) , are characteristically associated with the catastrophes of Mann 's stories . 
Meaning of the word marked with <WSD> tags:  the attire worn in a play or at a fancy dress ball