step up

step up idiom
  1. Increase, especially in stages, as in We've got to step up production. [Early 1900s] Also see step down, def. 2.
  2. Come forward, as in Step up to the podium, folks, and I'll show you how it works. [Mid-1600s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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