1, 2. Display, evince, exhibit, manifest mean to show or bring to the attention of another or others. To display is literally to spread something out so that it may be most completely and favorably seen: to display goods for sale. To exhibit is to display something in a show: to exhibit the best flowers. They may both be used for showing (off) one's qualities or feelings: He displayed his wit. He exhibited great surprise. To evince and to manifest also mean to show feelings or qualities: to evince or manifest surprise, interest.

Did you mean self-discipline?