Guessing the future (or finding water)

verb

1. To discover by intuition or insight infer

   "divine the truth"

2. To discover or locate (something, such as underground water or minerals) usually by means of a divining rod
3. To seek to predict future events or discover hidden knowledge usually by the interpretation of omens or by the aid of supernatural powers to practice divination prophesy
4. To perceive intuitively

noun

1. A forked rod believed to indicate the presence of water or minerals especially by dipping downward when held over a vein