stand (one) to (something)
To treat one to or provide the money necessary for something. The company is standing me to a business degree, with the expectation that I take on more responsibilities after it is completed. I felt bad for the guy, so I offered to stand him to a drink.
stand to (attention)
1. To be or become ready for an attack. We were all told to stand to after receiving word that the enemy was preparing to launch an offensive just before dawn.
2. To quickly assume military attention. You become trained to stand to attention when a superior officer enters the room. I quickly stood to, but the general told me to be at ease.