The crossword solution for the term 'nearer to maturity' is 'riper'. Ripe is a term used to describe the state of a fruit or vegetable when it has reached its peak of maturity and is ready to be eaten. It is also used to describe other things such as wine, cheese, and even people. When something is ripe, it is at its best and most desirable state. Therefore, the term 'riper' can be used to describe something that is closer to maturity than something else.