Ratify

[Sarah]

To approve and sanction; to make valid; to establish; tosettle; especially, to give sanction to, as something done by anagent or servant; as, to ratify an agreement, treaty, or contract; toratify a nomination.It is impossible for the divine power to set a seal to a lie byratifying an imposture with such a miracle. South.

[Sarah]

To make more rat-like.

[Sarah]

(n) to dirty something by putting it in contact with a nonsterile rat.

[Sarah]

To make someone, by force or own will, collaborate with the Police in capturing and arresting criminals by means of passing information relevant to whereabouts and actions of felons.

[Sonia]

Sign or give formal consent to (a treaty, contract, or agreement), making it officially valid.