Ill-founded antonyms

What is the opposite word for Ill-founded?

Antonyms for ill-founded
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Opposite words of ill-founded
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Woman in Black Long Sleeve Shirt Sitting on Blue Couch Woman in Blue Sweater Sitting on Couch Woman in Gray Long Sleeve Shirt Holding Baby Woman in White Long Sleeve Shirt Sitting on Blue Sofa Girl in Blue Sweater Lying on Blue Sofa Woman in Gray Sweater Sitting on Gray Couch
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Antonyms for Ill-founded. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/antonyms/ill-founded
Antonyms for Ill-founded. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/antonyms/ill-founded>.
Antonyms for Ill-founded. 2016. Accessed August 15, 2026. https://thesaurus.plus/antonyms/ill-founded.