Answer: reopened

AnswerCrossword Clue
REOPENEDResumed
REOPENEDRemoved the "Closed for Alterations" sign
REOPENEDInvestigated anew, as a case
REOPENEDGot back to business, perhaps
REOPENEDStarted in business again.
REOPENEDBegan again.
REOPENEDTook up again
REOPENEDResumed a discussion
REOPENEDUnlocked again
REOPENEDGot back into business
REOPENEDBack in business
REOPENEDDidn't stay closed
reopenedto open again
reopenedREOPEN, to open again
reopenedto start again; resume