have cause to do
have cause to (do something)
To have a clear, legitimate reason to do something. If you violate your parole like that, the police will have cause to arrest you, OK?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have cause to do something
to have a justifiable reason to do something. Do you have cause to think that Mary took your money? He had no cause to yell at me like that.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.