Sentence:  We assume <WSD>further</WSD> that the union recognizes the possibility that price level increases may offset wage rate increases , and it does not entirely disregard the effect of price increases arising from its own wage increases upon the `` real '' wage rate . 
Meaning of the word marked with <WSD> tags:  to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense)