Ingeniously

The enterprise of an already distant past had brought every land under civilization. The Sahara was a lake district, crowded with sun-proud holiday resorts. The arctic islands of Canada, ingeniously warmed by directed tropical currents, were the homes of vigorous northerners. The coasts of Antarctica, thawed in the same manner, were permanently inhabited by those engaged in exploiting the mineral wealth of the hinterland.

Knowing how ingeniously Mr. Shei had laid his plans and guarded against every imaginable emergency, he had not been altogether certain that his artful contrivance would succeed, but the scientist’s acute distress was ample proof that Mr. Shei had been outmaneuvered and that The Gray Phantom was master of the situation.

That's an ingeniously simple idea.

The exterior of the train is perfectly air-smoothed and to cut passenger steps up to recessed doors would never do; when the deep doors are shut, therefore, the steps fold up ingeniously on the inside of them to create a level floor in the corridor of the coach.

Nefzawi, rather ingeniously, offers numerous fantastic explanations and interpretations of dream sequences in The Perfumed Garden.