re·spond 
/rɪˈspɑ:nd/ verb
re·sponds; re·spond·ed; re·spond·ing /rɪˈspɑ:nd/ verb 1 : to say or write something as an answer to a question or request : reply [no obj] ▪ She hasn't yet responded to my letter. ▪ My mother responded to my request with a firm no. ▪ The teacher asked a question, but the student didn't respond. [+ obj] ▪ “Are you ready?” he asked. “No,” she responded. ▪ When I asked him what he was doing, he responded that it was none of my business. 2 [no obj] : to do something as a reaction to something that has happened or been done
▪ Police quickly responded to the call for help. ▪ She responded to their decision by threatening to quit. : to have a particular reaction to something ▪ He doesn't respond [=react] well to criticism. ▪ Most readers responded favorably to the book. [=most readers liked the book] 3 [no obj] : to have a good or desired reaction to something
▪ The patient is responding to the treatment. [=the patient is getting better because of the treatment]
▪ Police quickly responded to the call for help. ▪ She responded to their decision by threatening to quit. : to have a particular reaction to something ▪ He doesn't respond [=react] well to criticism. ▪ Most readers responded favorably to the book. [=most readers liked the book]
▪ The patient is responding to the treatment. [=the patient is getting better because of the treatment]
