1. a popular trend, especially in styles of dress and ornament or manners of behavior."his hair is cut in the latest fashion"

  2. vogue, trend, craze, rage, mania, fad;

  3. manner, way, method, mode, style; 

  4. construct, build, make, manufacture, fabricate, tailor, contrive; 

ism/ˈizəm/ nouninformalderogatory

  1. a distinctive practice, system, or philosophy, typically a political ideology or an artistic movement."of all the isms, fascism is the most repressive"

Fashionism is the artistic visualization of the human obsession of branding and fashion.