Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
certificatory is an adjective meaning "serving to certify or endorse authoritatively". It carries one recorded sense.
serving to certify or endorse authoritatively
Definitions, synonyms and semantic relations for certificatory come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.