dummy /dumˈi/

1. A sham or counterfeit article taking the place of a real one
2. A block, lay-figure or mannequin
3. A dumb person
4. A stupid person (US informal)
5. A sample, eg an unprinted model of a book
6. A rubber teat for pacifying an infant
7. An exposed hand of cards
8. The imaginary player of such a game or hand
9. A feint of passing or playing the ball (rugby, etc)

To sell a dummy (to; see below)

1. Silent
2. Sham, feigned

• do you mind
• doz.
• doze
• dozed
• dozen
• discreetness
• discreetnesses
• discrepance
• discrepances
• discrepancies
• discrepancy
• discrepant
• discrete
• discretely
• discreteness
• discretenesses
• discreter
• discretest
• discretion
• discretional
• discretionally
• discretionarily
• discretionary
• discretionary income
• discretions