Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

513. Oracle — N. oracle; prophet, prophesier, seer, soothsayer, augur,

fortune teller, crystal gazer†, witch, geomancer†, aruspex†; aruspice†, haruspice†; haruspex; astrologer, star gazer†; Sibyl; Python, Pythoness†; Pythia; Pythian oracle, Delphian oracle; Monitor, Sphinx, Tiresias, Cassandra†, Sibylline leaves; Zadkiel, Old Moore; sorcerer &c 994; interpreter, &c 524. [person who predicts by non-mystical (natural) means] predictor, prognosticator, forecaster; weather forecaster, weatherman. Phr. a prophet is without honor in his own country; you don't need a weatherman to know which way the wind blows [Bob Dylan]. SECTION VII. CREATIVE THOUGHT