set an example

set an example idiom
Also, set a good or bad example. Behave in a way that should (or will) be imitated, as in Dad was always telling Bill to set a good example for his younger brother, or They were afraid of setting a bad example for the other nations. [Late 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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