IPA: /ˈprɒmpɪtjuːd/
KK: /ˈprɒmpɪtjuːd/
The quality of being on time or acting quickly.
Her promptitude in responding to emails impressed her boss.
Promptitude → It is formed from "promptus" (from Latin, meaning ready or prepared) and the suffix "-tude" (meaning state or condition). The word "promptitude" refers to the state of being ready or quick to act.
Think of being 'ready' ('promptus') and in a certain 'state' ('-tude') — that's why promptitude means the state of being ready or quick to respond.