Meaning of “respond” - Learner’s Dictionary

respond

verb [ I ] uk us /rɪˈspɒnd/
ANSWER

B2 to say or do something as an answer or reaction to something that has been said or done:

How quickly did the police respond to the call?
GET BETTER

to improve as the result of a particular medical treatment:

She's responding well to drug treatment.

(Definition of “respond” from the Cambridge Learner’s Dictionary © Cambridge University Press)