look up

look up idiom
  1. Search for in a book or other source, as in I told her to look up the word in the dictionary. [Late 1600s]
  2. Call on or visit, as in I'm going to look up my friend in Chicago. [Mid-1800s]
  3. Become better, improve, as in Business is finally looking up. [c. 1800]
  4. look up to. Admire, respect, as in The students really looked up to Mr. Jones. [Early 1700s]

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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