Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
affirmatory is an adjective meaning "affirming or giving assent". It carries one recorded sense.
affirming or giving assent
“an affirmative decision”
“affirmative votes”
Definitions, synonyms and semantic relations for affirmatory come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.