Intelligence, when I use it in my articles, means: getting knowledge from the present, i.e. accurately seeing what's going on, being perceptive and accurate, without the mind having any say in the matter.
Recognizing what context you are seeing the world in: intelligent
Recognizing what's stopping you: intelligent
Recognizing that you are resisting something: intelligent
Recognizing that the feeling you have in your chest has nothing to do with anything: it is the mind's way of keeping you the same: intelligent
Recognizing that what you just said/heard is Tree of Knowledge: intelligent