Here are some other related words:
* Anticipation: A feeling of excitement or nervousness about something that is going to happen.
* Expectation: A belief that something will happen or that something is likely to happen.
* Forecast: A prediction about the future, especially about the weather or the economy.
* Prognosis: A prediction about the likely course of a disease or illness.
* Assumption: Something that you accept as true without proof.