The Collaborative International Dictionary of English v.0.48:

Stylist \Styl"ist\, n.
   One who is a master or a model of style, especially in
   writing or speaking; a critic of style.
   [1913 Webster]

         Distinguished as a stylist, for ease.    --Fitzed.
                                                  Hall.
   [1913 Webster]

WordNet (r) 3.0 (2006):

stylist
    n 1: an artist who is a master of a particular style
    2: someone who cuts or beautifies hair [syn: hairdresser,
       hairstylist, stylist, styler]

Moby Thesaurus II by Grady Ward, 1.0:

67 Moby Thesaurus words for "stylist":
   Dadaist, Fauvist, action painter, actionist, activist, classicist,
   conventionalist, costume designer, couturier, cubist, designer,
   divisionist, dress designer, earth artist, eclectic,
   existentialist, expressionist, free abstractionist,
   free expressionist, furniture designer, futurist, geometricist,
   gesture calligraphist, gesturist, idealist, impressionist,
   informalist, luminist, magic realist, mannerist, master of style,
   matter informalist, modernist, mystic, naturalist, neoconcretist,
   neoconstructivist, neocubist, neodadaist, neoexpressionist,
   neoimpressionist, neoplasticist, neotraditionalist, nonobjectivist,
   nonrepresentationist, nuagist, objectivist, poetic realist,
   poetic tachist, postconcretist, postexpressionist,
   preimpressionist, primitive, purist, realist, representationist,
   rhetor, rhetorician, romanticist, rug designer, spatialist, styler,
   surrealist, symbolist, synthesist, tachist, traditionalist