WordNet (r) 3.0 (2006):

spiel
    n 1: plausible glib talk (especially useful to a salesperson)
         [syn: spiel, patter, line of gab]
    v 1: replay (as a melody); "Play it again, Sam"; "She played the
         third movement very beautifully" [syn: play, spiel]
    2: speak at great length (about something)

Moby Thesaurus II by Grady Ward, 1.0:

57 Moby Thesaurus words for "spiel":
   advertise, ballyhoo, bark, bat the breeze, beat the gums, bill,
   boost, build up, bulletin, chin, circularize, cry up, debate,
   declaim, demagogue, demagoguery, dramatics, elocute, establish,
   give a write-up, give publicity, harangue, hold forth, jaw, mouth,
   orate, out-herod Herod, patter, perorate, pitch, placard, plug,
   post, post bills, post up, press-agent, promote, publicize, puff,
   pyrotechnics, rabble-rouse, rant, read, recite, rodomontade,
   sales pitch, sales talk, sell, sensationalism, shoot the breeze,
   song and dance, spout, tub-thump, write up, yak, yakkety-yak,
   yap