Prescribe (verb)

1. To recommend or order the use of a medicine or treatment.
2. To set down or order as a rule or guide.
3. To indicate a course of action to be followed.

Origin:

From latin praescribere, from prae ("before") + scribere ("to write").

Examples:

1. The doctor prescribed her some antibiotics for her infection.
2. He prescribed a strict diet and exercise regimen for her to follow.
3. The teacher prescribed a reading list for the students to complete over the summer.
4. The company's policy prescribes that all employees must wear a uniform.
5. The government prescribed a new set of regulations for the industry.