/rɪˈspɒnd/ US /-ˈspɑːnd/
1. to say or do something as a reaction to something that has been said or done:
[+ speech] To every question, he responded “I don’t know.”
I asked her what the time was, but she didn’t respond.
2. respond to sth If diseases or patients respond to treatment, the treatment begins to cure them:
It remains to be seen whether the cancer will respond to treatment.
For patients who do not respond to drug treatment, surgery is a possible option.