prompt

/ˈpräm(p)t/

Middle English, from Medieval Latin promptare, from Latin promptus prompt

verb

to move to action : incite
to assist (one acting or reciting) by suggesting or saying the next words of something forgotten or imperfectly learned : cue
to serve as the inciting cause of

adjective

of or relating to prompting actors

adjective

being ready and quick to act as occasion demands
performed readily or immediately

quick prompt ready apt mean able to respond without delay or hesitation or indicative of such ability. quick stresses instancy of response and is likely to connote native rather than acquired power. prompt is more likely to connote training and discipline that fits one for instant response.