expatiative--prophetes.ai

expatiative, a.
  (ɛkˈspeɪʃɪətɪv)
  [f. expatiate v. + -ive.]
  Tending to spread itself out, expansive.

1820 Shelley Œdipus Tyr. i, A leech..with lubricous round rings Capaciously expatiative, which make His little body like a red balloon.

Oxford English Dictionary