This is the 2636th most frequent Japanese word.
昌
"昌" means "prosperous" or "flourishing."
In this sentence, 昌 is used to signify 'prosperity' or 'flourishing'.
この家族は代々昌を重んじています。
This family has valued prosperity for generations.
Here 昌 is used as a surname, 昌氏, showing it can be a part of a proper noun.
昌氏は地域の歴史について詳しく研究しています。
Mr. Sho is extensively researching the history of the region.
In this sentence, 昌 is used metaphorically in the term 昌たる未来 to mean 'flourishing future'.