The term 'get behind' can be broken down into seven crossword solutions: SPONSOR (7 letters), BACK (4 letters), TRAIL (5 letters), LAG (3 letters), owe (3 letters), ENDORSE (7 letters), and FINANCE (7 letters). To 'get behind' something means to support it, either financially or through other means. To SPONSOR something is to provide financial support for it, while to BACK something is to show support for it. To TRAIL something is to follow it, while to LAG behind is to not keep up with it. To owe something is to be indebted to it, while to ENDORSE something is to publicly declare support for it. Finally, to FINANCE something is to provide money for it.