Source : Webster's Revised Unabridged Dictionary (1913)

Ratification \Rat`i*fi*ca"tion\, n. [Cf. F. ratification.]
   The act of ratifying; the state of being ratified;
   confirmation; sanction; as, the ratification of a treaty.

Source : WordNet®

ratification
     n : making something valid by formally ratifying or confirming
         it; "the ratification of the treaty"; "confirmation of
         the appointment" [syn: {confirmation}]