1.
to travel in front of other people in your group and arrive before them :
I'll go ahead and tell them you're on the way.
2.
to happen; to be done
SYN proceed :
The building of the new bridge will go ahead as planned.
—related noun go-ahead
1.
to travel in front of other people in your group and arrive before them :
I'll go ahead and tell them you're on the way.
2.
to happen; to be done
SYN proceed :
The building of the new bridge will go ahead as planned.
—related noun go-ahead
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005