an official agreement (e.g. to a proposal, a bill passed by Parliament)

agreement

the (legal) power or right to control, give others and make others obey

power, control

an official written or printed statement that may be used as proof or evidence

authorizing document

the act of clearing up, removing unwanted things, making something tidy

permission for activity

(a result of) agreeing to do or give something (especially after discussion, an argument etc)

yielding, adjustment

the act of confirming or being confirmed (all senses)

ratification, validation, proof

agreement

agreement; concession

the letters or papers showing that a person is what he or she claims to be

references, attestation

authority to rule; control (over)

area of rule; authority

full rights of citizenship given by a country or town, especially the right to vote at elections

authority, right

the quality of being right and fair

lawfulness, fairness

permission (the usual word); to go away from (a person, place etc)

permission

the state of being free (from imprisonment, control, government by others etc); right or power to decide for oneself what to do, how to live etc

freedom

(a written statement giving) permission from a person in authority to do something

authority, permission

the authority given to representatives by voters, members of a trade union etc

authority, order

an official order, rule

law, rule

an official identity document (to be) carried by a person travelling abroad

identification of origin, country

a right or adventure available only to a person, class or rank etc

right, due

a large sea-animal with short fur and wide flippers; a piece of wax, lead etc stamped with a design, attached to a document to show that it is genuine, or to a letter, packet, box, bottle, door etc to show that it has not been opened; something used to make an opening airtight or watertight

authentication; stamp

with agreement but not willingly

permission