Evolved. Brought out from a crude condition to a better form.
Expression. The art of explaining or setting forth.
Expansion. Growing larger; to occupy a greater space.
Exerted. To work to the utmost; to put forth in action.
Exhilaratiorn. A lively, pleasing or happy sensation.
Exploited. To fully examine and consider, as well as carry out.
Extremity. The end; as far as ean be considered.
Facility. Ease of management; to do things without difficulty.
Factor. One of the elements in a problem, or in mechanical action.
Fascination, Attraetiveness that is pleasing.