Sentence:  Although the theoretical strictures of Neoclassicism in Europe during the later seventeenth century and the eighteenth century banned generic mixtures, they were not too faithfully adhered to. There was always a folk theater that <WSD>made free with</WSD> the rules ... 
Meaning of the word marked with <WSD> tags:  To take advantage of (someone); to treat (someone) with too much familiarity, take liberties with (someone or something)