See waiver in Webster's New World Roget's A-Z Thesaurus II
noun
A giving up of a possession, claim, or right:
abandonment, abdication, demission, quitclaim, relinquishment, renunciation, resignation, surrender. See keepThe act of putting off or the condition of being put off:
adjournment, deferment, deferral, delay, postponement, stay1, suspension. See time
Learn more about waiver