opening Synonyms - page 6

outgate outlet porthole porte portcullis porta port pore planchet place perforation peephole passageway passage overture outstart outset muzzle-loading mouth inlet initiatory initiate initial ingress inductive incision incipient incipiency incipience inchoation inceptive inaugural hornbook hiatus intake interspace interstice moment manhole maiden loophole liberalization lever lead launching lacuna keyhole job issuing introductory