sensation, sense datum, sense experience, sense impression - an unelaborated elementary awareness of stimulation; "a sensation of touch"

scent - an odor left in passing by which a person or animal can be traced

fragrance, scent, aroma, perfume - a distinctive odor that is pleasant

fetor, foetor, malodor, malodour, reek, stench, stink, mephitis - a distinctive odor that is offensively unpleasant

acridity - having an acrid smell

property - a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles"

redolence, bouquet, fragrance, sweetness - a pleasingly sweet olfactory property

malodorousness, rankness, stinkiness, foulness - the attribute of having a strong offensive smell