Sentence:  She was like a Beardsley "Salome", he had said. And indeed she had the narrow eyes and the high cheekbone of that creature, and <WSD>as</WSD> nearly the sinuosity as is compatible with human symmetry. His wooing had been brief but incisive. 
Meaning of the word marked with <WSD> tags:  To such an extent or degree; to the same extent or degree.