Celebration; congratulation — acts or events that celebrate an occasion (e.g., ceremonies or parties). Often used in formal contexts.
市は市制施行100周年を祝賀する式典を開いた。
The city held a ceremony to celebrate the 100th anniversary of its establishment.
彼の昇進を祝賀して同僚が集まった。
Colleagues gathered to celebrate his promotion.
祝賀の言葉を述べ、花束が渡された。
Congratulatory remarks were made and a bouquet was presented.