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
Step up ka meaning, vilom shabd, paryayvachi aur samanarthi shabd in Hindi. Step up ka matlab kya hota hai?