Reduction in scale or intensity

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
de-escalation \de-escalation\ n. a reduction in intensity (of a crisis or a war). [WordNet 1.5] ||

WordNet Word definitions in WordNet
n. (war) a reduction in intensity (of a crisis or a war)

Wiktionary Word definitions in Wiktionary
n. reduction in size or intensity of conflict

Wikipedia Word definitions in Wikipedia
De-escalation refers to behavior that is intended to escape the escalation of commitment bias. Since escalation of commitment often has the tenets of escalation of conflict, it can also refer to approaches in conflict resolution . This often involves techniques ...