rollback

roll·back  (rlbk)

n.

1. A reduction, especially in prices or wages, to a previous lower level by governmental action or direction: a price rollback; a rollback of military supplies.

2. A turning back or retreat, as from a previously held position or policy: hoped for a rollback of support for the opposition's proposed legislation.

Thesaurus

Noun	1.	rollback - the act of forcing the enemy to withdraw push back offence, offensive, offense - the action of attacking an enemy
	2.	rollback - reducing prices back to some earlier level reduction, step-down, diminution, decrease - the act of decreasing or reducing something