senilize

• senilise

senile +‎ -ize

senilize (third-person singular simple present senilizes, present participle senilizing, simple past and past participle senilized)

1. (dated, transitive) To advance in time of life.
   • 1951, Marinus Johaness Dijkman, Hevea: Thirty Years of Research in the Far East‎:

     Although the climate tends to quickly senilize the soil weathered from it, the frequent rejuvenations by the eruptives from Bromo and Semeroe keep the soils relatively juvenile.