ingenuity

As an adjective shrewd

is showing clever resourcefulness in practical matters.

As a noun ingenuity is

the ability to solve difficult problems, often in original, clever, and inventive ways.

Ingenuity is a related term of sarcasm.

As nouns the difference between ingenuity and sarcasm

is that ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways while sarcasm is (uncountable) a sharp form of humor, intended to hurt, that is marked by mocking with irony, sometimes conveyed in speech with vocal over-emphasis insincerely saying something which is the opposite of one's intended meaning, often to emphasize how unbelievable or unlikely it sounds if taken literally, thereby illustrating the obvious nature of one's intended meaning.

As an adjective disingenuous

is not noble; unbecoming true honor or dignity; mean; unworthy; fake or deceptive.

As a noun ingenuity is

the ability to solve difficult problems, often in original, clever, and inventive ways.

As a noun ingenuity

is the ability to solve difficult problems, often in original, clever, and inventive ways.

As an adjective resourceful is

capable or clever; able to put available resources to efficient or ingenious use; using materials at hand wisely or efficiently.

As nouns the difference between ingenuity and ingenue

is that ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways while ingenue is an innocent, unsophisticated, naïve, wholesome girl or young woman.

As nouns the difference between ingenuity and subtlety

is that ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways while subtlety is the quality or fact of being subtle.

As nouns the difference between aggressiveness and ingenuity

is that aggressiveness is the state or quality of being aggressive while ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways.

As nouns the difference between ingenuity and authenticity

is that ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways while authenticity is the quality of being genuine or not corrupted from the original.

As nouns the difference between ingenuity and savvy

is that ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways while savvy is shrewdness.

As an adjective savvy is

(informal) shrewd, well-informed and perceptive.

As a verb savvy is

(informal) to understand.

As an interjection savvy is

(informal) do you understand?.

As nouns the difference between curiosity and ingenuity

is that curiosity is careful, delicate construction; fine workmanship, delicacy of building while ingenuity is the ability to solve difficult problems, often in original, clever, and inventive ways.