- - Acknowledge silently (2 wds.)
- - Acknowledge silently
- - Acknowledge nonverbally
- - Acknowledge without words
- - Silently acknowledge
- - Acknowledge refusal to put time into party
- - Acknowledge with a head gesture
- - Acknowledge without a word
- - Acknowledge tacitly
- - Acknowledge quietly
- - Tacitly acknowledge
- - Acknowledge with a head movement
- - Acknowledge, non-verbally
- - Acknowledge, in a way
- - Acknowledge
- - point at with the head
- - Signal, perhaps
- - Greet silently
- - Recognize silently
- - Greet quietly
- - Show silent approval of
- - Bob one's head at
- - Signal agreement
- - Give a nonverbal 'OK'
- - Signal agreement, in a way
- - Give the ...... (pick)
- - With a ...... (recognizing)
- - Greet wordlessly
- - Signal, in a way.
- - Give the O.K.
- - Greet in a way
- - Silently recognize
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