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