senesce

动词 senesce:

1. grow old or older
   同义词：age, get on, mature, maturate

se.nesce

v.intr.（不及物动词）
se.nesced,se.nesc.ing,se.nesc.es
To reach later maturity; grow old.
更臻成熟；变老

来源：
Back-formation from senescent
Back-formation from senescent