mindmap root((快速)) quick stresses instancy of response and is likely to connote native rather than acquired power: a ~ mind. prompt is more likely to connote training and discipline that fits one for instant response: the ~ response of emergency medical technicians. ready suggests facility and fluency in response: backed by a pair of ~ assistants. apt stresses the possession of qualities, such as high intelligence, a particular talent, or a strong bent, that make quick effective response possible: an ~ student.