step up
• come forward for a particular purpose.
• "Phil stepped up to coach the team"
• increase the amount, speed, or intensity of something.
• "police decided to step up security plans for the game"
Similar:
increase,
intensify,
strengthen,
augment,
escalate,
scale up,
boost,
up,
crank up,
speed up,
accelerate,
quicken,
hasten,
• increase voltage using a transformer.
• "the transformer can step up or step down voltages"
