say it: rat-uh-fuh-KAY-shuhn
ratification is a noun meaning "making something valid by formally ratifying or confirming it". It carries one recorded sense.
making something valid by formally ratifying or confirming it
“the ratification of the treaty”
“confirmation of the appointment”
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for ratification come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.