Celerity (noun)

1. Speed, swiftness, or quickness in motion or action.
2. Efficiency in performance or execution.

Origin:

From the latin word "celeritas" meaning "swiftness" or "speed".

Examples:

1. The messenger was praised for his celerity in delivering the message.
2. The company's success was due in part to its celerity in responding to customer needs.
3. His celerity in typing was impressive.
4. The dancers were admired for their celerity and grace.
5. The company's celerity in adapting to the changing market was key to its survival.