Sentence:  It was the first time that the lawyer had been received in that part of his friend's quarters; and he eyed the dingy, windowless structure with <WSD>curiosity</WSD>, and gazed round with a distasteful sense of strangeness as he crossed the theatre 
Meaning of the word marked with <WSD> tags:  (uncountable) Inquisitiveness; the tendency to ask and learn about things by asking questions, investigating, or exploring. (from 17th c.)