Answer: maturing

AnswerCrossword Clue
MATURINGTeenaged
MATURINGMassachusetts computer theorist leaving childish things behind (8)
MATURINGRipening.
maturingDevelop fully
maturing(of an insurance policy, security, etc.) Reach the end of its term and hence become payable
maturing(of a person) Reach an advanced stage of mental or emotional development
maturingMATURE, to develop fully
maturing(with reference to certain foodstuffs or drinks) Become or cause to become ready for consumption
maturing(of a person or animal) Become physically mature