Answer: CLASSIC

AnswerCrossword Clue
CLASSIC"The Godfather" is thought to be one
CLASSIC"Moby Dick," e.g.
CLASSICWord in many tournament names
CLASSICFor all times
CLASSICTest-of-time passer
CLASSICEnduring literary work
CLASSICiPod type
CLASSICKind of rock
CLASSICPrototypical
CLASSIC"Citizen Kane" or "Gone With the Wind," e.g.
CLASSICRock genre
CLASSICHomer's "Iliad," e.g.
CLASSICMasterwork
CLASSIC"Moby-Dick," for one
CLASSICCoke variety
CLASSICDefinitive
CLASSICTime-tested
CLASSICGreat work of literature
classica work of established excellence
classicRemarkably and instructively typical
classic(of a garment or design) Of a simple elegant style not greatly subject to changes in fashion
classicJudged over a period of time to be of the highest quality and outstanding of its kind
CLASSICDefinitive opus
CLASSICEnduring work
CLASSICVintage
CLASSICEnduring opus
CLASSICOriginal iPod, as it's now known
CLASSICLike the most elegant old autos
CLASSICThing that endures
CLASSICHistorically memorable
CLASSICGolden oldie
CLASSICTreasured work
CLASSICUnforgettable
CLASSICBook unlikely to go out of print
CLASSIC"Gone With the Wind," e.g.
CLASSICTried-and-true
CLASSICOf enduring interest
CLASSICTextbook
CLASSICWhat "Hamlet" is.
CLASSICOf highest excellence.