This is the 531st most frequent Japanese word.
予想
Prediction; expectation.
In this sentence, "予想" is used as a noun meaning 'prediction'. It is combined with the particle '通り' to mean 'as predicted'.
彼の予想通り、天気が良くなりました。
As he predicted, the weather improved.
In this example, "予想" is used as a noun to denote a 'preconceived expectation', and is found in the phrase '予想以上に', meaning 'more than expected'.
そのプロジェクトの進行が予想以上に早かったです。
The progress of that project was faster than expected.
Here, "予想" is used as a noun meaning 'forecast or prediction'. It indicates the act of foreseeing future results.