いわいぜん
noun
celebratory meal; festive tray of dishes
foodculture
1. celebratory meal; festive tray of dishes
A special set of dishes served to mark an occasion such as a birth, a wedding, a milestone birthday, or New Year. (ぜん) is the individual tray on which a formal Japanese meal is laid out, so the word names both the food and its presentation.
(いわ)(ぜん)用意(ようい)する
We prepare a celebratory meal.
We laid out a celebratory meal for the baby's first-food ceremony.
When I told her the wedding was settled, my grandmother had a celebratory meal waiting for me.
A celebratory meal features auspicious dishes such as sea bream and red rice.

Belongs to the vocabulary of family ceremonies rather than restaurants, and is usually something prepared or ordered at home for an occasion.

Common collocations

Cultural note

The dishes are chosen for their auspicious associations: (たい) (sea bream) for めでたい, 赤飯(せきはん) (red rice) for celebration, and whole fish or foods served in pairs for completeness.