Sentence:  Clad in a Persian-Renaissance gown and a widow's tiara of white batiste, Mrs Thoroughfare, in all the <WSD>ferment</WSD> of a "Marriage-Christening", left her chamber on vapoury autumn day and descending a few stairs, and climbing a few others, knocked a trifle brusquely at her son's wife's door. 
Meaning of the word marked with <WSD> tags:  A state of agitation or of turbulent change.