well-founded

[ wel-foun-did ]

adjective

1. having a foundation in fact; based on good reasons, information, etc.:

   well-founded suspicions.

well-founded

adjective

1. having good grounds

   well-founded rumours

Word History and Origins

Origin of well-founded¹

Middle English word dating back to 1325–75

Example Sentences

Now, as election day looms and anxieties grow, it seems their concerns were well-founded.

From BBC

The letter also stated the UK government had given him "refugee status" for five years as it accepted he had the "well-founded fear of persecution and therefore cannot return to your country Singapore".

From BBC

“In the beginning, we found their fear strange but as our study progressed we realised it was well-founded. We are concerned about their and their close relatives' safety.”

From BBC

His concerns were dismissed by his colleagues in the majority — his “prediction does not seem to be well-founded,” sniffed Parker.

From Los Angeles Times

That they had a well-founded fear of anti-LGBTQ+ persecution back home.

From Seattle Times