Liveliness is a related term of promptitude.
As nouns the difference between liveliness and promptitude
is that liveliness is the quality of being lively; animation; energy while promptitude is the quality of being prompt; alacrity.
liveliness
English
Noun
(-)
The quality of being lively; animation; energy.
promptitude
English
Noun
(-)
The quality of being prompt; alacrity.
Synonyms
* (quality of being prompt) promptness