ma·tu·ri·ty / məˈchoŏritē; məˈt(y)oŏr-/ • n. the state, fact, or period of being mature: their experience, maturity, and strong work ethic the delicate style of his maturity. ∎  the time when an insurance policy, security, etc., matures. ∎  an insurance policy, security, etc., having a fixed maturity date.

maturity
1. The stage in a life cycle that is reached when a developing organism has taken on the appearance of the adult form and is capable of reproduction.

2. The stage reached in the formation of gametes (gametogenesis) following meiotic division of precursor cells and their development into fully functional gametes.