grandfather (someone or something)

grandfather (someone or something)

To exempt certain people or things from new limitations or restrictions, thus allowing them to continue doing or benefiting from something as they did before. This can be done through the use of a "grandfather clause." If they change the pension plan, they better grandfather us!
See also: grandfather
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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