Touch it with thy celestial quickness.Herbert.
This deed . . . must send thee henceShak.
With fiery quickness.
His mind had, indeed, great quickness and vigor.Macaulay.
Would not quickness of sensation be an inconvenience to an animal that must lie still ?Locke
Syn. -- Velocity; celerity; rapidity; speed; haste; expedition; promptness; dispatch; swiftness; nimbleness; fleetness; agility; briskness; liveliness; readiness; sagacity; shrewdness; shrewdness; sharpness; keenness.