"The dictionary is not a dictator, it's a mirror of what people do," she tells the 27 academics, bureaucrats, lawyers, retirees and writers who've signed on as cadets in this Smithsonian-sponsored "Word-Lover's Boot Camp." The best dictionary, McKean continues, is merely a record of the written expressions of a culture and language. Hence Oxford's listing of "hopefully," Homer Simpson's "D'oh!" and the use of "fellowship" as a verb (a usage dating from at least 1374, more than 600 years before cinema-goers fellowshipped in watching "The Lord of the Rings").