()いする

おあいする
expression, verb-suru
to meet (humble); to see someone
formalhumbleinterpersonalkeigo
1. to meet; to see someone (humble)
The humble (謙譲語) form of ()う (to meet). Used to lower oneself when speaking about meeting someone of higher status, such as a client, superior, or respected person.
I'm pleased to meet you.
I'm scheduled to meet the company president tomorrow.
先日(せんじつ)()いしたときプロジェクトについて(はなし)(うかが)いました。
When I met with you the other day, I heard about the project.

One of the most commonly used humble expressions. Follows the お+stem+する humble pattern. Essential for business Japanese and formal introductions.

Common patterns

Politeness levels

  • () — plain, neutral
  • ()いする — humble (used about one's own action of meeting someone respected)
  • ()なる — honorific (used about a superior's action of meeting someone)

Usage

Do not use お()いする when talking about meeting friends or family in casual conversation. It is specifically for showing respect in formal contexts.