The Collaborative International Dictionary of English v.0.48:

Condorcet \Condorcet\ prop. n.
   Marie Jean Antoine Nicolas de Caritat, Marquis de Condorcet,
   a French philosopher and mathematician, born 17 Sept 1743,
   died 29 March 1794. His most important work was on
   probability and the philosophy of mathematics. His most
   important treatise was "Essay on the Application of Analysis
   to the Probability of Majority Decisions" (1785), an
   extremely important work in the development of the theory of
   probability. His work in probability led him to a study of
   voting methods, and laid the groundwork for the various
   ranked-pairs voting methods, which are often referred to as
   "Condorcet's Method".

WordNet (r) 3.0 (2006):

Condorcet
    n 1: French mathematician and philosopher (1743-1794) [syn:
         Condorcet, Marquis de Condorcet, Marie Jean Antoine
         Nicolas Caritat]