Satisfaction from having consciousness of something that was previously unconscious, such as watching a comedian and finally having a way to describe "that thing" you've noticed at an unconscious level for quite some time, or reading about "Words For Things You Never Knew Had Words" and having words for those things.
CHRISTINA: Holy fuck, Jake was such a dick during our argument at dinner. I walked out. And when I was driving home, I had the best comeback!
JESSICA: There's a term for that. Esprit d’Escalier. Staircase wit.
CHRISTINA: There's a term for that?! Oh god, expliment!