immediate response; prompt handling
Used in business or service contexts for quickly dealing with inquiries, requests, or problems.
We will respond immediately to inquiries from customers.
When a problem occurs, an immediate response is necessary.
即座 means 'on the spot, immediately' and is often used adverbially, whereas 即対応 focuses on the response action itself.
Compound of 即 (immediate) and 対応 (response, handling). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese compounding pattern.