Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
alphabetised is an adjective meaning "having been put in alphabetical order". It carries one recorded sense.
having been put in alphabetical order
“the cards are all alphabetized, as you requested”
Definitions, synonyms and semantic relations for alphabetised come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.