Skilled at achieving what one wants, especially via unusual methods.
Mentally quick and resourceful.
Nimble with hands or body; skillful; adept.
Showing inventiveness or originality; witty.
Possessing magical abilities.
Smart, intelligent, or witty; mentally quick or sharp.
Quick to understand, learn, and devise or apply ideas; intelligent.
Fit and healthy; free from fatigue or illness.
That operates to produce an effect.
Any of a class of behaviors that produce consequences by operating (i.e., acting) upon the environment.
An operative person or thing.