Related Clues:

• Olfactory offense
• Water source
• Designate
• Pick
• Kitchen enticer
• Cigar feature
• Lilac, e.g.
• See 25-Across
• Stink
• Access, with 'into'
• Carbon monoxide's lack
• Lead for a Lab
• Reason to ask 'What's cookin'?'
• Whiff
• Kind of therapy