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1. Adequately versed in a subject.
2. Having a sound basis; well-founded.
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.
adj (well grounded when postpositive)
1. (Education) well instructed in the basic elements of a subject
2. another term for well-founded
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. based on good reasons; well-founded: well-grounded suspicions.
2. well or thoroughly instructed in the basic principles of a subject: well-grounded in mathematics.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Adj.||1.||well-grounded - logically valid; "a sound argument"|
valid - well grounded in logic or truth or having legal force; "a valid inference"; "a valid argument"; "a valid contract"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
1. Possessing, proceeding from, or exhibiting good judgment and prudence:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.