with (good) reason

with (good) reason

Having a sound, justifiable cause or purpose; because something has already been proven true or justifiable. Yes, it was I who denied the defendant's application, but with reason—none of his supporting documentation was from within the last six months, as stipulated on our department's website. Officers may only search a person's private belongings or possessions with good reason that can be proven to the courts. Yes, I'm suspicious, but with good reason—I've already caught her twice in the past.
See also: reason
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

with reason

For a ground or cause, justifiably, as in He turned down their offer, but with reason-he didn't want to move his family to a big city . [c. 1600]
See also: reason
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.

with reason

With good cause; justifiably.
See also: reason
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.
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