Refined (-fnd), a.
Freed from impurities or alloy; purifed; polished; cultured; delicate; as; refined gold; refined language; refined sentiments. Refined wits who honored poesy with their pens. Peacham. -- Re*fin"ed*ly (r, adv. -- Re*fin"ed*ness, n.
Shades of meaning
Fernald has no entry of its own for refined; he lists it under fine.
Where he writes about it:
That which is truly finished, brought to an ideal end, is excellent of its kind, and beautiful, if a thing that admits of beauty; as, a fine house, fine trees, a fine woman, a fine morning; if a thing that admits of the removal of impurities, it is not finished till these are removed, and hence fine signifies clarified, clear, pure, refined; as, fine gold. — from fine