From Longman Dictionary of Contemporary Englishvery goodvery goodBritish English old-fashioned used to tell someone in a position of authority that you will do what they have asked ‘Tell the men to come in.’ ‘Very good, sir.’ → good
Examples from the Corpus
very good• No one is very bad, but no one is very good.• It would have to be the very best, and by a healthy margin.• In my heart I was fiercely competitive: I wanted to be the very best at anything I cared about.• He did, of course benefit from having a very good defence.• The very best numbers were numbers like 20,23,30,40,57,75,105 and 155.• Herta continues to be very good, or at least very silent, about my impotence.• He had a very good sense of who he is. 