divination

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The art or act of foretelling future events or revealing occult knowledge by means of augury or an alleged supernatural agency.
• noun An inspired guess or presentiment.
• noun Something that has been divined.

from The Century Dictionary.

• noun The act of divining; the pretended art of foretelling by supernatural or magical means that which is future, or of discovering that which is hidden or obscure.
• noun Figuratively, a sort of instinctive prevision; a presentiment and knowledge of a future event or events; conjectural presage: omen.
• noun In anc. Rom. law: A transaction in a criminal suit, in which one of several accusers of one and the same person was chosen as the chief prosecutor in the case, the others joining in it only as subscribers.
• noun The speech or oration asking authority to fill such a rôle.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of divining; a foreseeing or foretelling of future events; the pretended art discovering secret or future by preternatural means.
• noun An indication of what is future or secret; augury omen; conjectural presage; prediction.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun uncountable The act of divining; a foreseeing or foretelling of future events.
• noun The pretended art of discovering secrets or the future by preternatural means.
• noun countable An indication of what is future or secret; augury omen; conjectural presage; prediction.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun successful conjecture by unusual insight or good luck
• noun the art or gift of prophecy (or the pretense of prophecy) by supernatural means
• noun a prediction uttered under divine inspiration