Sentence:  Then his sallow face brightened, for the hall had been carefully furnished, and was <WSD>very</WSD> clean. ¶ There was a neat hat-and-umbrella stand, and the stranger's weary feet fell soft on a good, serviceable dark-red drugget, which matched in colour the flock-paper on the walls. 
Meaning of the word marked with <WSD> tags:  To a great extent or degree.