right to do
a/the right to (do) (something)
An established moral or legal permission, privilege, or due claim. You have the right to say whatever you want, but you don't have the right to have people respect or listen to what you say. I have a right to this land! It's been owned by my family for generations.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
*(a) right to do somethingand *(the) right to do something
the freedom to do something; the legal or moral permission or license to do something. (*Typically: get ~; have ~; You don't have the right to enter my home without my permission. I have a right to grow anything I want on my farmland.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.