'Promptness' definitions:

Definition of 'promptness'

From: WordNet
noun
The characteristic of doing things without delay [syn: promptness, promptitude]
noun
The quality or habit of adhering to an appointed time [syn: punctuality, promptness] [ant: tardiness]

Definition of 'Promptness'

From: GCIDE
  • Promptness \Prompt"ness\, n. [1913 Webster]
  • 1. Promptitude; readiness; quickness of decision or action. [1913 Webster]
  • 2. Cheerful willingness; alacrity. [1913 Webster]

Synonyms of 'promptness'

From: Moby Thesaurus