Enter a clue or pattern or both:
The Clue
Acknowledges in passing (6 letter answer)
The Answer
NODSAT
Tags
Notes
The answer NODSAT is rarely seen, appearing only about once every 1500 puzzles.
Related Clues
Signals
Acknowledges nonverbally
Greets nonverbally
Acknowledges without a sound
Signals, as to an auctioneer
Gives a passing acknowledgment