lay down

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb To give up, surrender, or yield (e.g. a weapon), usually by placing it on the ground.
• verb To intentionally take a fall while riding a motorcycle, in order to prevent a more serious collision.
• verb To specify, institute, enact, assert firmly, state authoritatively, establish or formulate (rules or policies).
• verb To stock, store (e.g. wine) for the future. See also lay by.
• verb To sacrifice, especially in the phrase "to lay down one's life."
• verb intransitive, nonstandard, proscribed To lie down; to place oneself in a reclined or horizontal position, on a bed or similar, for the purpose of resting.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• verb institute, enact, or establish