Definitions
1.verbTo authenticate."You can't post messages on the site unless you're authed."
2.nounSomething which validates or confirms the authenticity of something
3.nounProof of the identity of a user logging on to some network
4.nounA hallmark or assay-mark on a piece of metalwork
5.nounOne who commands absolute obedience to his or her authority."The dictator was an authoritarian."
6.nounOne who follows and is excessively obedient to authority."2006, Robert Altemeyer, The Authoritarians"
7.nounPermission."I've got authorization. Call the office and you'll see."
8.nounAn act of authorizing.
9.noun(A document giving) formal sanction, permission or warrant."Can I see your authorization?"
10.nounPermission, possibly limited, to spend funds for a specific budgetary purpose."We've had the authorization for years, but we've never gotten an appropriation."