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Synonyms

well-grounded

American  
[wel-groun-did] / ˈwɛlˈgraʊn dɪd /

adjective

  1. based on good reasons; well-founded.

    His opposition to the scheme is well-grounded.

  2. well or thoroughly instructed in the basic principles of a subject.

    She is well-grounded in mathematics.


well-grounded British  

adjective

  1. well instructed in the basic elements of a subject

  2. another term for well-founded

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of well-grounded

Middle English word dating back to 1325–75

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“Government officials have a solemn duty to provide honest, well-grounded facts and advice in service of the public interest—not to advance their own personal or ideological agendas.”

From The Wall Street Journal • Apr. 28, 2026

The table below, which has been updated over the years by a team of Deutsche Bank strategists, shows that this instinct is well-grounded in history.

From MarketWatch • Mar. 3, 2026

Border Patrol Chief Greg Bovino claimed on Tuesday that “everything we do every day is legal, ethical, moral, well-grounded in law.”

From Salon • Jan. 24, 2026

"A well-grounded suspicion does warrant more follow-ups but also might not hit the high threshold for overturning the result."

From BBC • Apr. 10, 2024

They will have a proper pride in themselves and a well-grounded faith in the capacity of spirit to dominate material.

From Mount Everest the Reconnaissance, 1921 by Howard-Bury, Charles Kenneth

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