initial response
noun phraseUK /ɪˈnɪʃəl rɪˈspɒns/
US /ɪˈnɪʃəl rɪˈspɑːns/
The first answer or reaction you give when something happens.
Her initial response to the surprise party was a big smile.
OTHER MEANINGS
2. The first official reply from an organization or person in charge.
The company's initial response to the complaint was a short email.
3. The body's first quick reaction to something, like a medicine or an injury.
The doctor watched his initial response to the medicine.
4. The first thing a computer or system sends back after receiving a signal.
The server's initial response came back in less than a second.