Roget's Thesaurus

#513. Oracle

Nouns

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 etc. 994; interpreter, etc. 524. [person who predicts by non-mystical (natural) means] predictor, prognosticator, forecaster; weather forecaster, weatherman.

Phrases

a prophet is without honor in his own country; you don't need a weatherman to know which way the wind blows [Bob Dylan].