Empiricism is the doctrine that human knowledge is grounded on the kind of experience, mostly achieved through the five senses, whose objects are particular events occurring at particular times and in particular places.
Painting needs no explanation or apology. This most religious of art forms belies the pathetic empiricisms of contemporary discussions.
Even at the height of its popularity, medical empiricism was the creature of a most unforgiving free market economy. Successful practioners seduced crowds as well as public officials.