Sentence:  ... after [reading] Virgil and Dante ... in an atmosphere trembling with eternal lamentations and on a soil drenched with unceasing showers of tears all the morning, every evening, lately, I am in a ball-room where flourishes a whip-syllabub of life, as if under our feet yawned no such realities. But I can <WSD>chameleonize</WSD> myself and enjoy all. 
Meaning of the word marked with <WSD> tags:  To transform oneself, as if changing colour like a chameleon.