Crossword Clue:

to join in a common goal

AnswerCrossword Clue
RALLYJoin in a common cause
DECAYDentist's concern, and a hint to what the longest answers have in common
MIDJULYToday, and a hint to what the longest answers (doubly) have in common
LOCOOff one's rocker, and a hint to what the four longest puzzle answers have in common
FALLBEHINDLag, and a hint to what the starts of the answers to starred clues have in common
CASHUPFRONTSeller's assurance of payment, and a hint to what the last words of the answers to starred clues can have in common