Answer:

open

AnswerCrossword Clue
OPEN"... Sesame!"
OPENBegin bidding
OPENCertain tourney
OPENHold jacks or better
OPENKind of enrollment
OPENReady for business
OPENReceptive
OPENStart the bidding
OPENStart the business day
OPENStorefront sign
OPEN..-faced sandwich
OPENAjar
OPENPermit access
OPENDoing business
OPENNot yet resolved
OPENDentist's request
OPENTourney type
OPENWelcoming
OPENNot buttoned
OPENThe US ..
OPENDentist's command
OPENDentist's directive
OPENReceptive to suggestion
OPENTournament format
OPENCandid
OPENUnclog
OPENUnwrap
OPENLet customers in
OPENReady for patrons
OPENAjar, at least
OPENIn business
OPENTourney format
OPENStart doing business
OPENMajor golfing event
OPENUnpack
OPENUnguarded
OPENUnhampered by embargoes
OPENAdmitting new students
OPENAmenable (to)
OPENNot prevaricating