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