Sensible Vocabulary: similar phrases and phrases Not anticipated or planned abrupt conclusion abrupt halt abruptly abruptness ad hocism inadvertency inadvertent inadvertently inconceivable inconceivably sine die talk extemporaneously spirit spontaneity spontaneous unstarry unsuspected premature untoward unwilled See additional effects » Aim: Marketing industry experts use inbound and ... http://localstorefronts.com/directory/listingdisplay.aspx?lid=43132#.Y8CNSHa9thE