From Longman Dictionary of Contemporary Englishwell-groundedˌwell-ˈgrounded adjective 1 → well-grounded in something2 LOGICALwell-founded My fears were well-grounded.
Examples from the Corpus
well-grounded• Minuses: Too ephemeral, sentimental and romantic to hold up against the well-grounded competition.• But it is well-grounded in theory.• He had never taught boys who were less than well-grounded in traditional academic subjects.• well-grounded suspicions 