Lewis & Short

ăgĭlĭtas, ātis, f. [agilis], the condition of agilis, mobility, nimbleness, activity, quickness, fleetness, agility.

  1. I. Lit.: navium, Liv. 26, 51: rotarum, Curt. 4, 6: cursus et agilitas alicujus, mobility, Quint. 11, 3, 180.
  2. II. Trop.: agilitas, ut ita dicam, mollitiaque naturae, * Cic. Att. 1, 17, 4.