Sentence:  Even apart from the fact that now at the age of 31 my personal life is being totally disrupted for the second time for no very compelling reason - I cannot help looking around at the black leather jacket brigades standing idly on the street corners and in the taverns of every American city and asking myself if our society has <WSD>gone</WSD> mad . 
Meaning of the word marked with <WSD> tags:  enter or assume a certain state or condition