[stand up] vi (bef. 12c) 1: to rise to a standing position
2: to remain sound and intact under stress, attack, or close scrutiny ~ vt: to fail to keep an appointment with -- stand up for : to defend against attack or criticism -- stand up to 1: to meet fairly and fully
2: to face boldly -- stand up with : to be best man or maid of honor for at a wedding ceremony