noun, noun or participle which takes 'suru'
Used for the formal opening of a business, facility, or event. Often appears in compound expressions like 創開記念 or 創開セール.
新しい美術館の創開式が来月行われる。
The grand opening ceremony for the new art museum will be held next month.
この店は創
This shop has been patronized by many customers since its grand opening.