Sentence:  Mr. Woodhouse was almost as much interested in the business as the girls, and tried very often to recollect something worth their putting in. "So many <WSD>clever</WSD> riddles as there used to be when he was young--he wondered he could not remember them! but he hoped he should in time." And it always ended in "Kitty, a fair but frozen maid." 
Meaning of the word marked with <WSD> tags:  Showing inventiveness or originality; witty.