In English, an academic painter is likely to be understood as a painter who paints in a certain style. See this wiki entry on Academic art. If you intend to refer to the kind of training the painter has, you'll need to say so explicitly, I think. bibliolept suggestions are good.What is French academic art?
Academic art, or academicism or academism, is a style of painting, sculpture, and architecture produced under the influence of European academies of art. Specifically, academic art is the art and artists influenced by the standards of the French Académie des Beaux-Arts, which was practiced under the movements...What is the meaning of ' artwork '?
English Language Learners Definition of artwork. : a painting, sculpture, photograph, etc., that is created to be beautiful or to express an important idea or feeling : an artistic work. : drawings, photographs, etc., that are included in books, magazines, and other printed materials. More from Merriam-Webster on artwork.