祝宴|しゅくえんshukuen[0]heiban (flat)

1. nouncelebratory banquet; feast
   満ち足みちたりた心こころは永遠えいえんの祝宴しゅくえんである。↗

   A contented mind is a perpetual feast.

• Synonym祝いいわいNeutralMeans celebration or a congratulatory gift; 「祝宴」 is the celebratory banquet itself.
• Synonym賀宴がえんFormalFormal and rarely used; a synonym of 「祝宴」 with a more archaic, elegant tone.
• Synonym祝賀会しゅくがかいNeutralA gathering held to celebrate; it may include a banquet or be ceremony only, while 「祝宴」 always means a meal with food and drink.
• Related祝典しゅくてんFormalFormal word for a celebration ceremony; the focus is on the ritual, while 「祝宴」 is the celebratory meal itself.
• Related祭りまつりNeutralCovers religious rites and festival events generally; 「祝宴」 refers only to a celebratory banquet.
• Relatedお祝いおいわいNeutralThe most general term: celebration, congratulations, or a congratulatory gift; 「祝宴」 means only the banquet.
• RelatedフェスティバルNeutralLoanword for festival events such as music or film festivals.
• Related祭典さいてんWrittenWritten word for a grand, large-scale celebration, as in 「スポーツの祭典」.
• Related祭事さいじWrittenWritten word for rites and ritual events such as shrine ceremonies; unrelated to banquets, unlike 「祝宴」.
• Related祝い事いわいごとNeutralA happy occasion worth celebrating, such as a wedding; 「祝宴」 is the banquet itself.
• Related祝祭しゅくさいWrittenWritten word for festivals and celebrations, as in 「祝祭日」; 「祝宴」 is a banquet.
• Relatedお祭りおまつりNeutralA festival or matsuri event, also used figuratively for lively excitement; 「祝宴」 is a celebratory banquet.
• Related喜びごとよろこびごとWrittenWritten word for happy occasions such as a wedding or a birth; 「祝宴」 is the banquet held to celebrate.
• Related祝言しゅうげんWrittenOld-fashioned written word for a wedding, as in 「祝言を挙げる」; 「祝宴」 is not limited to weddings.
• RelatedフェスCasualColloquial abbreviated loanword for a music festival, especially a rock festival.
• Antonym弔宴WrittenWritten word for a meal held after offering condolences; the opposite of 「祝宴」, and rarely used.

Use 「祝宴」 for a celebratory banquet, as in 「祝宴を張る」. For a gathering held to celebrate, say 「祝賀会」; for the ceremony, 「祝典」; for the happy occasion itself, 「祝い事」. Festival words like 「祭り」 and 「フェス」, or 「お祝い」 for gifts and congratulations, cover different ground.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 祝いわいのために開ひらかれる宴会えんかい。