- aroma, fragrance, perfume, scent - a distinctive odor that is pleasant
--1 is a kind of smell, odor, odour, olfactory sensation, olfactory perception
--1 has particulars: incense - bouquet, fragrance, redolence, sweetness - a pleasingly sweet olfactory property
--2 is a kind of olfactory property, smell, aroma, odor, odour, scent