1. Supervise or watch closely, often in an intimidating manner
   "The boss stood over the new employee as he completed the task"
    
2. Temporarily delay or postpone a decision or action
   "We'll have to stand over that issue until next week's meeting"
    
3. Remain valid or in effect
   "The offer stands over until the end of the month"

Derived forms: stood over, stands over, standing over