sav·ing

[sey-ving] 

adjective

1.  Tending or serving to save; rescuing; preserving.
2.  Compensating; redeeming: a saving sense of humor.
3.  Thrifty; economical: a saving housekeeper.
4.  Making a reservation: a saving clause.
noun
5.  A reduction or lessening of expenditure or outlay: a saving of 10 percent.
6. Something that is saved.
7.  Savings, sums of money saved by economy and laid away.
8.  Law. a reservation or exception.