性せい成せい熟じゅくMeaningsNoun1. sexual maturationKanji used性nature (of a person)成become熟matureComposed of性せいnature (of a person); sex; gender; sex (i.e. sexual attraction, activity, etc.); -ty; -ity; -ness; -cyNoun成せい熟じゅくmaturity; ripenessNoun