Nasal appraisals refer to the evaluation of smells and AROMAS. This term is often used in the context of wine tasting, where experts use their sense of smell to assess the quality of a wine. The two crossword solutions for this term are 'AROMAS' (6 letters) and 'ODORS' (5 letters). Both words refer to the same concept, but ODORS is generally used to describe unpleasant smells, while AROMAS is used to describe pleasant smells.