General synonyms:
* Prophet
* Visionary
* Soothsayer
* Oracle
* Augur
* Diviner
* Mystic
* Clairvoyant
* Predictor
More specific synonyms:
* Prophet (often refers to a religious figure who receives divine messages)
* Visionary (implies someone with a strong sense of the future or with a unique perspective)
* Soothsayer (emphasizes the use of divination or other supernatural means to see the future)
* Oracle (often associated with a specific location or deity where prophecies are received)
* Augur (implies the use of omens or signs to predict the future)
* Diviner (a broader term encompassing any form of divination)
* Mystic (implies someone with a deep understanding of spiritual matters and a connection to the unseen)
* Clairvoyant (specifically refers to someone with the ability to see beyond the physical world)
* Predictor (a more neutral term for someone who makes predictions, regardless of their methods)
The best synonym will depend on the specific context and the nuance you want to convey.