The Collaborative International Dictionary of English v.0.48:

Keynes \Keynes\ prop. n.
   John Maynard Keynes, the british economist (1883-1946) whose
   book "The General Theory of Employment, Interest, and Money"
   (Macmillan, 1936) had a strong influence on views of the
   government's role in the economy through the 1970's. See
   Keynesian.

   Syn: John Maynard Keynes.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Keynes
    n 1: English economist who advocated the use of government
         monetary and fiscal policy to maintain full employment
         without inflation (1883-1946) [syn: Keynes, John Maynard
         Keynes]