augur, auspex - (ancient Rome) a religious official who interpreted omens to guide public policy

diviner - someone who claims to discover hidden knowledge with the aid of supernatural powers

prophetess - a woman prophet

sibyl - (ancient Rome) a woman who was regarded as an oracle or prophet

divination, prophecy - a prediction uttered under divine inspiration

shrine - a place of worship hallowed by association with some sacred thing or person

Delphic oracle, Oracle of Apollo, oracle of Delphi, Temple of Apollo - (Greek mythology) the oracle at Delphi where a priestess supposedly delivered messages from Apollo to those who sought advice; the messages were usually obscure or ambiguous