Inventiveness

Successful salesmanship of the highest order requires not only a fine special training, but also a good education and a keen insight into human nature; it also requires resourcefulness, inventiveness and originality.

Near-synonyms: resourcefulness, creativity, imagination

For as was the land, such was the art of it while folk yet troubled themselves about such things; it strove little to impress people either by pomp or ingenuity: not unseldom it fell into commonplace, rarely it rose into majesty; yet was it never oppressive, never a slave’s nightmare or an insolent boast: and at its best it had an inventiveness, an individuality, that grander styles have never overpassed: […]