promptness (n.)
- abruptness
- acceptance
- accord
- acquiescence
- acuity
- acuteness
- affirmation
- affirmative
- agility
- agreeability
- agreeableness
- agreement
- alacrity
- alertness
- amenability
- animation
- anxiety
- anxiousness
- appetite
- approbation
- approval
- ardor
- assent
- attention
- attentiveness
- avidity
- avidness
- aye
- blessing
- brightness
- briskness
- celerity
- compliance
- connivance
- consent
- cooperativeness
- decisiveness
- dispatch
- docility
- eagerness
- elan
- endorsement
- enthusiasm
- expedition
- expeditiousness
- fastness
- favorableness
- feverishness
- flight
- flit
- flurry
- forwardness
- furiousness
- gameness
- goodwill
- gust
- gusto
- haste
- hastiness
- hurriedness
- hurry
- immediacy
- immediateness
- impatience
- impetuosity
- impetuousness
- impulsiveness
- instantaneousness
- keenness
- life
- liveliness
- nimbleness
- okay
- permission
- pliability
- pliancy
- precipitance
- precipitancy
- precipitation
- precipitousness
- promptitude
- punctuality
- quickness
- rapidity
- rashness
- ratification
- readiness
- receptiveness
- receptivity
- responsiveness
- rpm
- rush
- sanction
- sharpness
- sleeplessness
- smartness
- speed
- speediness
- spirit
- submission
- suddenness
- swiftness
- tractability
- velocity
- verve
- vitality
- vivacity
- wakefulness
- willingness
- zeal
- zest
- zestfulness