senesce
1. [ verb ] grow old or older
Synonyms: age get_on maturate mature
Examples:

"She aged gracefully" "we age every day--what a depressing thought!" "Young men senesce"

Related terms: develop develop dote fossilize turn growth old_age
Similar spelling:   senega
  Seneca
  Semmes
  seance
  Senecio
  sens
  sense