Definition of "maturity"

The state of being mature, ready or ripe; the prime state of productibility and self expression.  examples

When bodily growth has completed and/or reproduction can begin.  examples

(countable, finance, insurance) The state of a debt obligation at the end of the term of maturation thereof, once all interest and any applicable fees have accrued to the principal.  examples

(countable, finance, insurance) Date when payment is due.  examples