Saw a thread '5 things highly intelligent people do differently' though i couldnt agree more with the 5 points, there is much more than these;
'1.they question mainstream ideals.
2.intelligent people dont worship idols.
3.they constantly are on the search for knowledge.
4.intelligent people turn their thoughts into action.
5.they value quiet reflection'

...here are more traits everyone will agree intelligent people possess.
-adaptability.
-they think they dont know enough.
-they think fast.
-they can connect the dots i.e they note patterns.
-they dont care too about their dressing.
-they are friendly.
-they are risk takers (well calculated risks though)
-they dont like to beg.
-they dont talk too much, they are the silent type.
-they dont seek cheap approval or approval at all.
-they are not motivated by money.
-they ask questions a lot.
-they enjoy mystery, thriller genre entertainment.
-they are innovators and inventors.
-they dont eat a alot.
-they are night owls.
-usually top in academics.
-they are great planners.
-not too good at social skills.
-they procrastinate.
-they're very imaginative.
-they know when they dont know something and admit it.
-social media platforms are mainly a news source.
-they forget old mates' names but know complex sci formulae or the periodic table or long written pieces.
-open-mindedness.
-have good sense of humor.
-they're sensitive to other people's experiences.

+add yours