NODAT

Acknowledge in passing

• Acknowledge silently

• Acknowledge tacitly

• Agree with, tacitly

• Give a head signal to

• Greet nonverbally

• Indicate agreement with

• Relay a bid, as to an auctioneer

• Say 'yes' to silently

• Show agreement with

• Silently agree to

• Silently greet

• Tacitly acknowledge

• Tacitly agree with

• Acknowledge in passing

• Acknowledge silently

• Acknowledge tacitly

• Agree with, tacitly

• Give a head signal to

• Greet nonverbally

• Indicate agreement with

• Relay a bid, as to an auctioneer

• Say 'yes' to silently

• Show agreement with

• Silently agree to

• Silently greet

• Tacitly acknowledge

• Tacitly agree with