Answer: linesup

AnswerCrossword Clue
LINESUP

Forms a queue

LINESUP

Forms a row

LINESUP

Takes a position?

LINESUP
Joins a queue
LINESUP
Gets in order
LINESUPPrepares
LINESUPBooks
LINESUPMakes a queue
LINESUPStraightens
LINESUPMakes available
LINESUPSets in a row
LINESUPForms ranks
LINESUPQueues