This is the 11211th most frequent Russian word.
грядущем
"Грядущем" means "forthcoming" or "impending."
Here, 'грядущем' is used as an adjective modifying 'году', meaning 'upcoming' or 'forthcoming'.
В грядущем году мы планируем начать новый проект.
In the upcoming year, we plan to start a new project.
Here, 'грядущем' functions as a noun, indicating 'the future', and is used with the preposition 'в' indicating location or the period of time.
Жизнь в грядущем может быть совсем иной.
Life in the future may be completely different.
In this sentence, 'грядущем' is used as a noun in the instrumental case, agreeing with 'о', meaning 'about the future' with aspirations or imaginations.