prognostication
🇺🇸
/prɑːɡˌnɑːstɪˈkeɪʃn/
🇬🇧
/prɒɡˌnɒstɪˈkeɪʃn/
A prediction about what will happen in the future.
The scientist's prognostications about the weather were surprisingly accurate.
科学者の天気予測が予想外に正確でした。