Maturation is a

​The aspect that shows the naturally occurring qualitative and quantitative changes in the hereditary characteristics of an individual is called maturation. 

Key Points

Maturation is a developmental process as it:

• is a process of behavioral change that refers to the unfolding of an individual's inherent traits or potential.

• is a natural process of becoming emotionally, mentally, and physically mature through an Interplay between heredity and environment.

• doesn't necessarily happen along with aging but occurs throughout the lifespan by changing, growing, and developing the individuals.

Hence it could be interpreted that 'maturation is a developmental process'.