Source : Webster's Revised Unabridged Dictionary (1913)

Wherewithal \Where`with*al"\, adv. & n.
   Wherewith. ``Wherewithal shall we be clothed?'' --Matt. vi.
   31.

         Wherewithal shall a young man cleanse his way? --Ps.
                                                  cxix. 9.

         [The builders of Babel], still with vain design, New
         Babels, had they wherewithal, would build. --Milton.

Source : WordNet®

wherewithal
     n : the necessary means (especially financial means)
     adv : out of, or by means of which; "tools wherewith to scrape the
           windshield of my car" [syn: {wherewith}]