The phrase "to settle the debate" means to find a conclusion or solution that everyone agrees on, so that the argument or disagreement comes to an end.
Sentences with «to settle the debate»
Does a narrative report card help settle debate over what letter grades actually mean? (educationworld.com)
Looking for volcanic traces at other sites could help settle the debate, he says. (sciencemag.org)
A new study aims to settle the debate about how and when this invasive species was introduced to the island country. (treehugger.com)