Sentence:  She was a fat, round little woman, <WSD>richly</WSD> apparelled in velvet and lace, […]; and the way she laughed, cackling like a hen, the way she talked to the waiters and the maid, […]&mdash;all these unexpected phenomena impelled one to hysterical mirth, and made one class her with such immortally ludicrous types as Ally Sloper, the Widow Twankey, or Miss Moucher. 
Meaning of the word marked with <WSD> tags:  In a rich manner; full of flavor or expression.