A Regimen

1. Orderly government; system of order; administration.
2. (medicine) Any regulation or remedy which is intended to produce beneficial effects by gradual operation.
3. (grammar) object
5. (grammar) A syntactical relation between words, as when one depends on another and is regulated by it in respect to case or mood; government.
6. (medicine, dated) Diet; limitations on the food that one eats, for health reasons.