maturity

Short definition from Wiktionary

Noun

1. 1
   The state of being mature, ready or ripe; the prime state of productibility and self expression.
2. 2
   When bodily growth has completed and/or reproduction can begin.
3. 3
   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.
4. 4
   Date when payment is due.