grow into something
— phrasal verb with grow us/ɡroʊ/verb past tense grew /ɡru/, past participle grown /ɡroʊn/
(DEVELOP)
to become a more completely developed type of person or thing:
We want these children to grow into responsible adults.
Founded by the Grand Trunk Pacific Railway, Kitimat grew into a sawmill town.
(BEGIN TO FIT)
to become tall enough or big enough to wear or use something:
Never buy a bike that’s too big and expect your child to grow into it.