Sentence:  ... perhaps he has <WSD>Romaniz'd</WSD> his "Grecian" Dames too much, and made them speak sometimes as if they had been born in the City of "Rome," and under the Empire of "Augustus". 
Meaning of the word marked with <WSD> tags:  To make or become Roman in character or style.<ref>(Thomas Blount), "Glossographia," London: George Sawbridge, 1661: “"Romanize" (...) to imitate the speech or fashion of "Rome," or the Romans.”[http://name.umdl.umich.edu/A28464.0001.001]</ref>