Answer: oksign

AnswerCrossword Clue
OKSIGNCircular signal
OKSIGNThumbs-up
OKSIGNSilent approval
OKSIGNThumb-and-forefinger gesture
OKSIGNThumb-and-forefinger signal
OKSIGNCircular gesture with the thumb and forefinger
OKSIGN"Thumbs up" kin