Around here, we tend to toss around the words "patina," "pedigree" and whatnot, to mean that something has aged well, like a great house or a great old Rolls-Royce. So I loved stumbling on this term just now, on one of my favorite house blogs, Old Long Island: "delightfully mellowed." It's on a 1930s/1940s real-estate brochure for a mansion and 3,000 (!) acres on Centre Island, New York. "Delight...