the GNU version of the Collaborative International Dictionary of English
v. To reduce to a code, as laws.
The Century Dictionary and Cyclopedia
To reduce to a code or digest, as laws.
To arrange or systematize in general; make an orderly collection or compendium of; epitomize.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
v. organize into a code or system, such as a body of law
Word Usage
"Mr. President: A word to the wise, even if it becomes clear you've gone back on your staff's statements that your Stupak-evil Order doesn't do anything more than "codify" existing law."