Ingenuity
Part of speech: noun
Definition: The ability to solve difficult problems, often in original and creative ways
Example sentence: What is there more unruly than the sea, with its winds, its tornadoes, and its tempests? And yet in what department of her works has Nature been more seconded by the ingenuity of man than in this, by his inventions of sails and of oars?
Ingeniousness
Part of speech: noun
Definition: The condition of being ingenious