agile in WordNet English dictionary

1. moving quickly and lightly
   "sleek and agile as a gymnast"; "as nimble as a deer"; "nimble fingers"; "quick of foot"; "the old dog was so spry it was halfway up the stairs before we could stop it"
   agile  nimble  quick  spry 
   
2. mentally quick
   "an agile mind"; "nimble wits"
   agile  nimble