ROGET THESAURUS
olfaction
Odor
N
odor, smell, odorament, scent, effluvium, emanation, exhalation, fume, essence, trail, nidor, redolence, sense of smell, scent, act of smelling,
olfaction, olfactories, fragrance, odorant, bloodhound, hound, spoor, odorous, odoriferous, smelling, reeking, foul-smelling, strong- scented, redolent, graveolent, nidorous, pungent, putrid, foul, olfactory, quick-scented.