The quality or power of ready invention; quickness or acuteness in forming new combinations; ingeniousness; skill in devising or combining.

Curiousness, or cleverness in design or contrivance; as, the ingenuity of a plan, or of mechanism.

the power of creative imagination

the property of being ingenious; "a plot of great ingenuity"; "the cleverness of its design"

The innate or developed ability to invent, innovate, be resourceful, and be creative.

Skill, inventiveness or cleverness in creating or combining objects, designs or processes. See invention.

The term ingenuity or applied ideas is used in the analysis of Thomas Homer-Dixon, building on that of Paul Michael Romer, to refer to what is usually called instructional capital. is often inherent in creative individuals, and thus is considered hard to separate from individual capital. It is not clear if Dixon or Romer considered it impossible to do so, or if they were simply not familiar with the prior analysis of "applied ideas", "intellectual capital", "talent", or "innovation" where instructional and individual contributions have been carefully separated, by economic theorists.