nim·ble 
(nĭmbəl)
(nĭmbəl)adj. nim·bler, nim·blest
1. Quick, light, or agile in movement or action; deft: nimble fingers.
2. Quick, clever, and acute in devising or understanding: nimble wits. See Synonyms at dexterous.
[Middle English nemel, from Old English nǣmel, quick to seize and numol, quick at learning; see nem- in the Appendix of Indo-European roots.]
nimble·ness n.
nimbly adv.