v. defend against attack or criticism; "He stood up for his friend"; "She stuck up for the teacher who was accused of harassing the student"

v. refuse to back down; remain solid under criticism or attack

v. be standing; be upright; "We had to stand for the entire performance!"

v. put into an upright position; "Can you stand the bookshelf up?"

v. rise to one's feet; "The audience got up and applauded"

v. resist or withstand wear, criticism, etc.; "Her shoes won't hold up"; "This theory won't hold water"