agile
ag·ile
/ˈæʤəl/ adj [more ~; most ~]
1 : able to move quickly and easily
She is the most agile [=nimble] athlete on the team.
Leopards are very fast and agile.
a car with agile handling [=a car that moves quickly and smoothly when the steering wheel is turned]
2 : quick, smart, and clever
an agile mind
an agile writer
an agile thinker
ag·ile·ly adv
The cat jumped agilely out of the way.
agil·i·ty /əˈʤıləti/ noun [ noncount ]
the agility of a champion gymnast
He has the agility of a mountain goat. [=he is very agile]
mental agility