grounded in fact

grounded in (actual) fact

Based on or rooted in something that is accurate or real. Don't worry, not one of her accusations is grounded in fact. Is that a true story? Is it grounded in actual fact?
See also: fact, ground
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

grounded in (actual) fact

Fig. based on facts. This movie is grounded in fact. The stories in this book are all grounded in actual fact.
See also: fact, ground
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: