conserve


conserve (http://definr.com/conserve)

     n : fruit preserved by cooking with sugar [syn: preserve, conserves,
          preserves]
     v 1: to keep up and reserve for personal or special use: "save
          something in case you hit trouble." [syn: save, preserve]
     2: use cautiously and frugally; "I try to economize my spare
        time" [syn: husband, economize, economise] [ant: waste]