Sentence:  "In these circumstances, <WSD>hyperbole</WSD> is called for, the rhetorical figure that raises its objects up, excessively, way above their actual merit : it is not to deceive by exaggeration that one overshoots the mark, but to allow the true value, the truth of what is insufficiently valued, to appear." 
Meaning of the word marked with <WSD> tags:  Deliberate or unintentional overstatement, "particularly" extreme overstatement.