WordNet (r) 3.0 (2006):

Simon
    n 1: one of the twelve Apostles (first century) [syn: Simon,
         St. Simon, Simon Zelotes, Simon the Zealot, Simon
         the Canaanite]
    2: United States singer and songwriter (born in 1942) [syn:
       Simon, Paul Simon]
    3: United States playwright noted for light comedies (born in
       1927) [syn: Simon, Neil Simon, Marvin Neil Simon]
    4: United States economist and psychologist who pioneered in the
       development of cognitive science (1916-2001) [syn: Simon,
       Herb Simon, Herbert A. Simon, Herbert Alexander Simon]