に際(さい)して

にさいして
expression
on the occasion of; at the time of
formalbusinessexpression
1. on the occasion of; when; at the time of
Formal expression used when something important or special happens.
ご結婚(けっこん)に際(さい)して、お祝(いわ)い申(もう)し上(あ)げます。
On the occasion of your marriage, I offer my congratulations.
契約(けいやく)に際(さい)して、以下(いか)の点(てん)にご注意(ちゅうい)ください。
At the time of the contract, please note the following points.
開会(かいかい)に際(さい)して、社長(しゃちょう)より挨拶(あいさつ)がございます。
On this opening occasion, there will be a greeting from the company president.

Common patterns

Noun + に際(さい)して
Verb (dictionary form) + に際(さい)して

Forms

Register

Very formal. Used in ceremonies, official documents, speeches, and business correspondence.

Common collocations

Related Words

Compare: に当(あ)たって (similar but with emphasis on preparation)
Compare: に先立(さきだ)って (prior to)
general
Added 2026.1.18 21:02 · Revised 2026.9.4 21:31
06500/06945_nisaishite