give full rein to (one)
give full rein to (one)
To give one complete freedom to do what one wants or chooses. "Rein" refers to the reins of a horse. Can you believe the boss gave full rein to me? Finally, I can present a campaign with my own vision!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
give
/lend an ear To pay close attention; listen attentively.
give
free/full rein to To release from restraints; allow to go unchecked: gave free rein to her emotions.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.