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Related Clues:
- Acknowledge with a head movement
- Greet from across the street
- Signal agreement
- Silently greet
- Greet quietly
- Acknowledge quietly
- Silently acknowledge
- Acknowledge wordlessly
- Show silent approval of
- Acknowledge without a word
- Greet from across the room
- Acknowledge refusal to put time into party
- Give the O.K
- Greet with a hand motion
- Acknowledge without words