to make two things fit or match each other, or to fit or match in this wayI was convinced that a way needed to be found to marry up the two groups.
+with: Your résumé needs to be changed for every job, as otherwise it won’t marry up with the job description.
marry something up with something: You should try to marry up the new flavors with the foods you are familiar with.
This meaning is based on one submitted to the Open Dictionary by: Paul from Spain on 08/10/2015