Meaning : Increase in extent or intensity.
Example :
The Allies escalated the bombing.
Synonyms : escalate, intensify
Reduce the level or intensity or size or scope of.
De-escalate a crisis.Meaning : Make oneself visible. Take action.
Example :
Young people should step to the fore and help their peers.
Synonyms : come forward, come out, come to the fore, step forward, step to the fore