Introduce slyly
Else clues • Compel to accept
• Dump (on)
• Fob off
• Impose
• Impose (on)
• Impose by trickery
• Impose fraudulently
• Impose inferior goods (on)
• Insert surreptitiously
• Palm off
• Pass off (on)
• Pass off as authentic
• Pass off as genuine
• Thrust (upon)