Answer: greenlight

AnswerCrossword Clue
GREENLIGHT

Go ahead

GREENLIGHT

Give the okay

GREENLIGHT

Go-ahead

GREENLIGHT
An O.K.
GREENLIGHT
Go signal
GREENLIGHTGo-ahead signal
GREENLIGHT"Go" signal
GREENLIGHTGive the go-ahead
GREENLIGHTColorful go-ahead
GREENLIGHTO.K.