responsiveness
UK: rɪˈspɒnsɪvnəs | US: rɪˈspɑːnsɪvnəs
n. the quality of reacting quickly and positively to requests, changes, or needs
n. (biology) the capacity of an organism to respond to external stimuli
The word "responsiveness" combines "responsive," derived from Latin respons- (past participle of respondere, meaning "to answer or promise in return"), with the suffix "-ness," which forms abstract nouns indicating a state or quality. The root respondere itself breaks down into re- (back) + spondere (to pledge), reflecting the idea of "answering back" or "engaging in dialogue." Over time, "responsive" evolved to describe adaptability or reaction, and "-ness" solidified it as a measurable trait.
The app's responsiveness to user feedback improved its ratings.
A leader's responsiveness to team concerns fosters trust.
The plant's responsiveness to light was studied in the experiment.
Customer service responsiveness is crucial for brand loyalty.
Her responsiveness to emergencies made her an excellent nurse.