smell

noun:a quality of something that is perceived by the olfactory sense; an odor or scent
- The smell of fresh coffee filled the kitchen.
verb:to perceive or detect the odor or scent of something through the nose
- I can smell the bread baking from down the street.
verb:to emit an odor; to have a particular scent
- Those flowers smell wonderful.
verb:to have a strong or unpleasant odor
- This garbage is starting to smell.