invigorator

plural invigorators

1. One who, or that which, invigorates.

   There were further details which seemed negligible to the philanthropist, because the pictured hero of the invigorator already suggested Judge Penniman, the ever-ailing father of Winona.

   1921, Harry Leon Wilson, The Wrong Twin

   1 more example

   Hail, blessed pipe! the invigorator of the weary, the uncomplaining faithful friend, the consoler of sorrows, and the dispeller of care, the much-prized companion of the solitary wayfarer!

   1878, James Inglis, Sport and Work on the Nepaul Frontier