opening Synonyms - page 5

chimney chasm chance cervical access peephole occasion nook nonresidence niche nascency muzzle-loading mouth manhole maiden loophole lead launch launching lacuna ocellus onset opener passage overture outstart outset outlet outgate outfall ostium os origination oriel opportunity opportunism openness keyhole introductory inceptive inception inauguration inaugural hornbook hiatus headroom gulf gulch glade ghole