What is another word for "olfaction"?

Roget's Thesaurus (1911) lists these synonyms for "olfaction": act, acute, animal, bloodhound, effluvium, emanation, essence, exhalation, exhale, foul, fragrance, fume, give, graveolent, have, hound, inhale, nidor, nidorous, nose, odor, odorament, odorant, odoriferous, odorous, olfactory, out, pleasant, pungent, putrid, quick-scented, redolence, redolent, reek, scent, sense, smell, smelling, sniff, snuff.