exit, way out, egress, emerge, come forth, return, emergence, take, release, payoff, more...

solution, resolution, answer, fix, remedy

political, social, environmental, economic, health, legal, ethical, educational, technological, more...

special, important, first, major, central, key, political, real, second, main, critical

a problem,   small problem,   unsettling matter,   minor problem,   the problem,   main problem,   item for debate,   "another problem!",   debate subject,   social problem