quickener

noun2

1. •
   One who, or that which, quickens, hastens, or speeds up an object or action.
2. •
   That which gives life, animates, or nourishes.

   • Where, through the deep, rich soil enwound, The waters of Dirce flow? Nourisher she of man and mead, Quencher of thirst and quickener of seed — 1922