soothsayer

sooth·​say·​er | ˈsüth-ˌsā-ər

: a person who can envision the future by prophetic, intuitive, or more rational means :

“A lazy frost, a numbness stills the sea,
And binds its floods in fetters; all around
The face of nature laughs, and soothsayers
Foretell the change of fortune and of times.”

John Dryden – All for Love (1677)