With intelligent being the ambiguous term that it is, I'm sure a number of terms could qualify. I'm throwing in my two cents with omniscient, which literally means "all-knowing." While it's more of a term applied to wisdom than intelligence, the ambiguity of the terms can make it work depending on the usage.
Intelligent, Incredible, Important...
intimate, invaluable
· impartial · important · incredible · independent · industrious · insightful · inspiring · intelligent · irresistible
· impartial · important · incredible · independent · industrious · insightful · inspiring · intelligent · irresistible
Impartial, important, incredible, independent, industrious, insightful, inspired, inspiring, intelligent and irresistible are nice descriptive words. They begin with the letter i.
A pair of good ones are intelligent and inquisitive. If you really are. Certainly there are others, like interesting.
Intelligent
· impartial · industrious · intelligent
I, intelligent, in, imaginary...ugh...just go to the Related Link below. There are far too many to write down.
10 Letter words that start with everyEveryplaceEverythingEverywhereEverywomanEverywomen9 Letter words that start with everyEverybodyEverydays8 Letter words that start with everyEverydayEverymanEverymenEveryoneEveryway
* remember * responsibility
Intelligent Intellectual Intuitive