Sentence:  Guided by his business school-educated son, he wants to take on the New York Art scene with his aesthetic movement “<WSD>multiplism</WSD>,” a cubist spin-off featuring works such as the Mona Lisa with a dozen different expressions. 
Meaning of the word marked with <WSD> tags:  (art) The style created and promoted by (Victor Victori), which depicts a subject in different positions and expressions in order to show change over time.