Related Clues:

• Put under
• Codeine, for one
• Kind of pipe
• Poppy product
• Poppy plant derivative
• Downer
• Cause of an 1839-42 war
• Dope
• Chloral hydrate, e.g.
• Calmer
• Doctor's order
• The 'D' of D.E.A.
• Relaxant
• Sleep-inducing
• Sedate