Sentence:  The Act <WSD>further</WSD> provides for a `` floor '' or minimum allotment , set at the 1954 level , which is called the `` base '' allotment , and a `` ceiling '' or maximum allotment , for each State . 
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)