The word "appropriateness" refers to whether something is suitable or proper for a particular situation or context. It means that something matches or fits well with what is expected or required. Full definition
Ever since the Landmarks Commission in November first denied a certificate of appropriateness for the project and the Common Council in December failed to overturn the decision, the waiting game has stretched on and on and on. (dailyreporter.com)
Consultation with a mental health practitioner is advised if questions about appropriateness of use exist in this context. (pediatrics.aappublications.org)
Interpret test results, compare them to established specifications and control limits, and make recommendations on appropriateness of data for release. (livecareer.com)