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