get one's feet on the ground
get (one's) feet on the ground
To become comfortable with a particular situation. I know you're nervous right now, but I'm sure you'll feel better once you get your feet on the ground in your new position.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
get one's feet on the ground
Also, have or keep one's feet on the ground .See both feet on the ground.
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.