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