Sentence:  Remember that in seeking the modern in <WSD>Utopia</WSD> we do not deny the existence of the medieval and the Renaissance there ; we do not even need to commit ourselves to assessing on the same inconceivable scale the relative importance of the medieval , the Renaissance , and the modern . 
Meaning of the word marked with <WSD> tags:  a book written by Sir Thomas More (1516) describing the perfect society on an imaginary island