WordNet (r) 3.0 (2006):

Dewey
    n 1: United States librarian who founded the decimal system of
         classification (1851-1931) [syn: Dewey, Melvil Dewey,
         Melville Louis Kossuth Dewey]
    2: a United States naval officer remembered for his victory at
       Manila Bay in the Spanish-American War [syn: Dewey, George
       Dewey, Admiral Dewey]
    3: United States pragmatic philosopher who advocated progressive
       education (1859-1952) [syn: Dewey, John Dewey]