Related Clues:

• Keeping quiet
• Universal remote button
• Unspeaking
• Early movie
• "The word"
• Trumpet muffler
• It might be the word
• Sound-cutting TV remote button
• Implied, perhaps
• Not said
• Unspoken, as approval
• Clammy?
• Prop for Satchmo
• Like a winked agreement
• Like something communicated with a wink and a nod