Answer: linedup

AnswerCrossword Clue
LINEDUPScheduled
LINEDUPSecured
LINEDUPArranged in a row
LINEDUPIn a row
LINEDUPIn a queue
LINEDUPArranged, as interviews
LINEDUPIn formation
LINEDUPPut in a row
LINEDUPQueued
LINEDUPOn a queue
LINEDUPArranged for
LINEDUPIn order
LINEDUPLike taxis at a hotel, maybe
LINEDUPSingle-file