well-founded

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌwell-ˈfounded adjective  LOGICALa belief or feeling etc that is well-founded is based on facts or good judgment 〔信仰、感觉等〕有事实根据的，基于准确判断的 My suspicions proved to be well-founded. 事实证明我的怀疑是有根据的。

Examples from the Corpus

well-founded• But, the Bremen scientists discovered, the fears were well-founded.• What is now beyond dispute is that the impressionistic evidence is well-founded.• I can't feel anything substantial in him, anything well-founded about him.• I was dealing with the definition of refugees under the 1951 convention, and concentrating on the well-founded fears of persecution.• You're hot, tired, hungry very probably, and here I am, not answering any of your well-founded questions.• In fact, their campaign and the probably well-founded suspicion that the result had been rigged had the opposite effect.• Such an assertion presupposes a well-founded theory of performance, one which was able to assign periods of time to mental processes.

ˌwell-ˈfounded adjectiveChineseSyllable  

that Corpus well-founded feeling etc is is belief a or

well-founded
ˌwell-ˈfounded adjective
a belief or feeling etc that is well-founded is based on facts or good judgment:
    My suspicions proved to be well-founded.