scent

[1]	perceive , detect , find out , determine , discern , distinguish , recognize , sense , smell , sniff (out) , get wind of , learn/hear about
[2]	perfume , odorize , odourise
[3]	nose , wind
[4]	perfume

[1]	aroma , fragrance , aroma , fragrance , perfume , perfume , redolence , smell , odour , bouquet , whiff , trace
[2]	trail , spoor , track
[3]	olfactory property , smell , aroma , odor , odour