Prediction (noun)

1. A statement about what will happen in the future.
2. A forecast or projection.
3. The action of predicting something.

Origin:

Late middle english (in the sense "prophecy"): from latin praedictio(n-), from praedicere "foretell", from prae "before" + dicere "say".

Examples:

1. The prediction of the weather forecast was accurate.
2. His prediction of the stock market was wrong.
3. She made a prediction about the outcome of the game.
4. He based his prediction on previous data.
5. The prediction of the future is hard to make.