An "animated discussion" means having a lively and spirited conversation, often involving people with different opinions who are speaking passionately and enthusiastically. Full definition
There was a lot of animated discussion about all kinds of things. (bullzeye.com)
I'll be revealing it in the coming weeks; but first, there'll be much animated discussion on this topic at our household! (thedigeratilife.com)
GALERIE BERND KLUSER With American and German troops currently involved in the same military campaign, there has been considerable animated discussion in Germany about its relationship with... (highbeam.com)