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congratulation; congratulations; celebration; festival
congratulatory gift; present
「祝」 has other readings with different meanings.
結婚の祝の言葉をみんなが述べた。
Everyone gave their wedding congratulations.
卒業の祝として花束を贈った。
I gave a bouquet as a graduation gift.
お祝いの品を選んでいる。
I'm choosing a celebratory gift.