WordNet sense 1 (careful and diligent in the use of resources):

thrifty

WordNet sense 2 (bringing about salvation or redemption from sin):

redemptive, redeeming

WordNet sense 3 (morally admirable):

good

WordNet sense 4 (the activity of protecting something from loss or danger):

preservation

WordNet sense 5 (an act of economizing; reduction in cost):

economy

WordNet sense 6 (recovery or preservation from loss or danger):

deliverance, delivery, rescue