conservate

verb2

1. •
   (nonstandard) To practice conservation.

   • I'm sorry, but if it's fun in any way it's not environmentalism. […] Let's conservate. — 2001
2. •
   (old-fashioned) To conserve.

   • When Hoover's conservating pen / Cut down our steak and sausage ration / With one accord we cried "AMEN," / And meatlessness became the fashion. — 1919