Based on sound judgment, reasoning, or evidence; adequately substantiated: well-founded suspicions. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "well-founded" in a sentence
"Our conversation got me reflecting on the typical post-New Year's period, drowning in well-founded resolutions whereby we all try to eat healthier, exercise more, give up bad habits and attempt to be happier as a result."
""A criminal defendant with genuine and well-founded concerns that imprisonment will shorten his life is surely entitled to provide the court with relevant medical information without also consenting to the publication of such sensitive and private information in The Wall Street Journal, which is surely what will happen here if the documents are unsealed," his lawyer John Dowd said in court papers on Monday."
"And yes, I do have fear radical Muslims and I believe that fear is well-founded."