It seemed that the whole world was 'opening up' for me. [=it seemed that anything was possible]
In her 'opening statement', she told the jury that her client was not guilty.
One of my favorite comedians is 'opening for' the band on their current tour.
(..) You don't know what you're missing. Overtures like that get my juices flowing. So powerful. But after his openings, to be honest... he does tend to get a little fucking boring. That's why I stopped! Toss the apartment. (..)1994 Léon: The Professional