<p>Haha yeah I am quite aware that you have considerable writing skill so you’ll have to be pretty esoteric to appear contrived 
Im just saying that while you shouldnt just put in big words to show off, its good to show sophistication in your writing. Since US essays are about your experience and normally not about making arguments, sophistication stems from your clarity of thinking and expression. A large part of that is from an adept vocabulary :)</p>