Countless legal standards ask what the reasonable person would do. But who is this person? The reasonable person is not just the average person. That s easily seen. Sometimes, average people do unreasonable things. This insight has led theorists to propose the reasonable person as some ideal person , such as the virtuous person, the person who achieves the best consequences, or the person who acts in accord with moral duty.But this is all too quick. The reasonable person isn t just the average person, but neither is it simply the ideal person. Instead, the reasonable person represents someone who is both common and good.The reasonable person is often associated with the law of accidents. To determine whether someone is legally responsible for causing an injury, courts apply a test of reasonable care . Did the person causing the injury act with the care of a reasonable person? But reasonableness sets countless other legal standards: was a killing reasonably