Lay down is a term that can be used in many different contexts. To ORDAIN means to formally declare or appoint someone to a position, often with religious connotations. To DICTATE is to issue commands or orders in an authoritative manner. To PRESCRIBE is to give instructions or advice on what should be done. To DEPOSIT is to place something in a secure place for safekeeping. To SET is to put something in a particular place or position. To POSIT is to state something as a fact or belief. To rest is to take a break from activity. To lie down is to recline in a horizontal position. To STIPULATE is to state a condition or requirement as part of an agreement.