1The researcher spent years collecting data to substantiate her groundbreaking theory on climate change.
2Can you substantiate your claims about the benefits of meditation with empirical evidence?
3The lack of concrete evidence makes it difficult to substantiate the allegations of corruption.
4Historians have struggled to substantiate the existence of the legendary city, but recent archaeological findings provide compelling proof.
5The philosopher's argument relies heavily on anecdotal evidence, but fails to substantiate its central thesis with rigorous logical analysis.