fall into line

listen to the pronunciation of fall into line
English - English
join in, become a part of; get in line
fall into line with
comply with a particular course of action, agree with, come together, be compatible with
fall line
A line marking a boundary between an upland region and a plane; sometimes marked by a series of waterfalls on rivers that cross it
fall line
The imaginary line downhill that something falling downhill would naturally follow