From Longman Dictionary of Contemporary Englishcompelling reason/argument/case etccompelling reason/argument/case etcBELIEVEan argument etc that makes you feel certain that something is true or that you must do something about it Lucy had no compelling reason to go into town. The court was presented with compelling evidence that she’d murdered her husband. → compelling
Examples from the Corpus
compelling evidence• However, the officer in charge of the investigation said it was the only way to gather compelling evidence.• The new studies provide compelling evidence in support of these concepts.• Taken together, they are fairly compelling evidence of prejudice.• But perhaps the most vivid and compelling evidence of this highly developed colour sensibility is the artefacts themselves. 