Earnest, egalitarian, eldritch, eloquent, empathic, enamoured, English, enigmatic, erratic, ethical, ex-directory, existentialist, expansive, expressive, et cetera lol.
Just one? Why not three?
Eccentric, erotic and English.
'Especial, Excelente, Extraordinario, Excepcional...'
You didn't say it had to be in English.
damn I'm good.
enraged OR eager OR exotic
elusive, eccentric, ever loving mo**er f%*ker
ectoparasitic lol im a parasite of the earth
ok I cheated :P