n.
1.
Sharpness, keenness, poignancy, pungency, acuteness, severity.
2.
Vigor, force, energy, quickness.
3.
Liveliness, briskness, vivacity, wittiness, readiness, sprightliness.
4.
Expertness, dexterity, cleverness, quickness, activity, intelligence, alertness.
5.
Wit, wittiness, acuteness, aptness, pertinency.
6.
Spruceness, trimness.
7.
Agility, nimbleness, quickness, activity, spryness.