The term 'free of pathogens' can be summarized by two crossword solutions: 'SANITARY' and 'ASEPTIC'. SANITARY refers to the cleanliness of an environment, object, or person, and is often used in the context of food safety. ASEPTIC, on the other hand, refers to the absence of microorganisms, and is often used in the context of medical procedures. Together, these two terms indicate that an environment, object, or person is free of any harmful microorganisms.