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