command

An order to do something.

"I was given a command to cease shooting."

The right or authority to order, control or dispose of; the right to be obeyed or to compel obedience.

"to have command of an army"

Power of control, direction or disposal; mastery.

"England has long held command of the sea"

To order, give orders; to compel or direct with authority.

"The king commanded his servant to bring him dinner."

To have or exercise supreme power, control or authority over, especially military; to have under direction or control.

"to command an army or a ship"

To require with authority; to demand, order, enjoin.

"he commanded silence"