The patient suffered an adverse 'response' to the medication. [=the patient became worse after taking the medication]
When I told him my plan, I wasn't expecting such an enthusiastic 'response'.
She asked him but he 'gave/made no response'. [=he did not answer]
(..) shows how little you know me. Last night I couldn't do the thing that usually makes me great. So I had to do all this other stuff. And the response I got! Man, oh, man! It was like a ticker-tape parade! I know. My room's very, very close to the parade route. It was amazing, and not just for her. (..)1995 TvShow: Friends Title: The One Where Rachel Finds Out Season: 1 Episode 24