permission to proceed:the government had given the go-ahead for the power station
adjective
1willing to consider new ideas; enterprising:a young and go-ahead managing director
2 [attributive]North American denoting the run or score which gives a team the lead in a game:Baerga drove in the go-ahead run with a single in the sixth inning
go-ahead in other Oxford dictionaries
Definition of go-ahead in the US English dictionary
