noun
promptness in responding or acting
accepted the invitation with alacrity
Synonyms: dispatch, expedition, goodwill, promptitude, readiness
Related Word: briskness, eagerness; enthusiasm, fervor, heartiness, zeal; promptness, quickness
Contrasted words: hesitation, procrastination, temporization, vacillation; apathy, indifference, lethargy, phlegm, sluggishness
Antonyms: dilatoriness