WordNet (r) 3.0 (2006):

blue chip
    n 1: a common stock of a nationally known company whose value
         and dividends are reliable; typically have high price and
         low yield; "blue chips are usually safe investments" [syn:
         blue chip, blue-chip stock]
    2: a blue poker chip with the highest value

Moby Thesaurus II by Grady Ward, 1.0:

62 Moby Thesaurus words for "blue chip":
   assessable stock, authorized capital stock, blue chip stock,
   borrowed stock, capital stock, common stock,
   convertible preferred stock, corporate stock,
   cumulative preferred stock, cyclical stock, defensive stock,
   deferred stock, eighth stock, equities, equity, equity security,
   fancies, floating stock, glamour issue, growth stock,
   guaranteed stock, high-flier, hot issue, hypothecated stock,
   inactive stock, income stock, issued capital stock, letter stock,
   loaned stock, long stock, nonassessable stock, nonvoting stock,
   ordinary shares, pale blue chip, participating preferred stock,
   penny stock, preference stock, preferred stock, protective stock,
   quarter stock, rails, reverse split, seasoned stock, share ledger,
   shares, short stock, special situation stock, specialty stock,
   speculative stock, split, standard stock, steels, stock,
   stock ledger, stock list, stock split, stocks,
   ten-share unit stock, treasury stock, unissued capital stock,
   utilities, voting stock