WordNet (r) 3.0 (2006):

shopping center
    n 1: mercantile establishment consisting of a carefully
         landscaped complex of shops representing leading
         merchandisers; usually includes restaurants and a
         convenient parking area; a modern version of the
         traditional marketplace; "a good plaza should have a movie
         house"; "they spent their weekends at the local malls"
         [syn: plaza, mall, center, shopping mall, shopping
         center, shopping centre]

Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "shopping center":
   Bowery, Chinatown, East End, East Side, Little Hungary,
   Little Italy, West End, West Side, art center, auto show, barrio,
   bazaar, black ghetto, blighted area, boat show, business district,
   capital, central city, city center, commercial complex, core,
   downtown, emporium, exposition, fair, flea fair, flea market,
   garment center, ghetto, greenbelt, inner city,
   manufacturing center, market, market overt, marketplace, mart,
   medical center, metropolis, midtown, open market, outskirts, plaza,
   railroad center, red-light district, residential district, rialto,
   run-down neighborhood, shipping center, shopping mall,
   shopping plaza, show, skid road, skid row, slum, slums, staple,
   street market, suburbia, suburbs, tenderloin, tenement district,
   tourist center, trade center, trade fair, uptown, urban blight,
   urban center