Nouns

(n)economy, savingan act of economizing; reduction in cost“it was a small economy to walk to work every day”, “there was a saving of 50 cents”
(n)rescue, deliverance, delivery, savingrecovery or preservation from loss or danger“work is the deliverance of mankind”, “a surgeon's job is the saving of lives”
(n)preservation, savingthe activity of protecting something from loss or danger

Adjectives

(s)redemptive, redeeming, savingbringing about salvation or redemption from sin“saving faith”, “redemptive (or redeeming) love”
(s)savingcharacterized by thriftiness“wealthy by inheritance but saving by constitution” (Ellen Glasgow)