godan verb (-su), transitive verb
Transitive godan verb. Often used in formal or written contexts. Cross-referenced with 祝する, which is a suru-verb variant with the same meaning.
See also: 祝する
友人の合格を祝して、手紙を書いた。
I wrote a letter to congratulate my friend on passing the exam.
彼の昇進を祝す会が開かれた。
A party was held to celebrate his promotion.