or·a·cle 
(ôrə-kəl, ŏr-)
(ôrə-kəl, ŏr-)n.
1.
a. A shrine consecrated to the worship and consultation of a prophetic deity, as that of Apollo at Delphi.
b. A person, such as a priestess, through whom a deity is held to respond when consulted.
c. The response given through such a medium, often in the form of an enigmatic statement or allegory.
2.
a. A person considered to be a source of wise counsel or prophetic opinions.
b. An authoritative or wise statement or prediction.
3. A command or revelation from God.
4. In the Bible, the sanctuary of the Temple.
[Middle English, from Old French, from Latin ōrāculum, from ōrāre, to speak.]