Crossword clues for Openings 4 letters:OPENSesame openerOPENIn full flowerOPENStorefront signOPENUnclogOPENLead offOPENGet the ball rollingOPENDoing businessOPENAvailable for a jobOPENTournament formatOPENCandidOPENAjar, at leastOPENStart doing businessOPENForthcomingOPENBroken mirror, to the superstitiousOPENNonmonogamousOPENLike some stores and marriagesOPENLike some relationshipsOPENAmenable (to)OPENUnguarded, as a receiverOPENReceptive to suggestionOPENLet customers inOPENUnguardedOPENStart the biddingOPENReady for patronsOPENIn businessOPENTourney formatOPENTourney for anyone who qualifiesOPENAdmitting new studentsOPENWith 47-Down, feature of some beachwearOPENReady to do businessOPENLike the best receiversOPEN__-faced sandwichOPENNot yet resolvedOPENHygienist's requestOPENLike some doors and marriagesOPEN___ letterOPENWelcomingOPENReady to serveOPENNot takenOPENReady for a passOPENDentist's directiveOPEN___ Sesame!OPENBegin biddingOPENCertain tourneyOPENHold jacks or betterOPENKind of enrollmentOPENReady for businessOPENReceptiveOPENStart the business dayOPENUnwrap