Open English Wordnet
Nouns
(n)growth, growing, maturation, development, ontogeny, ontogenesis(biology) the process of an individual organism growing organically; a purely biological unfolding of events involved in an organism changing gradually from a simple to a more complex level“he proposed an indicator of osseous development in children”
(n)festering, suppuration, maturation(medicine) the formation of morbific matter in an abscess or a vesicle and the discharge of pus