sign-

1. To give someone a job to do or to assign someone with a task to complete.
2. To send someone to work in a particular place or with a particular group of people.
3. To determine that someone or something has a particular quality, name, use, or category: "He was assigned a high employee rating based on his high attendance on the job."
4. To put a soldier or military unit under a particular command or assignment of duty.
5. To designate a value for a computer memory location corresponding to a named variable.