The crossword solution for the term 'MAKE IT HAPPEN OR ELSE!' is a four-letter word, 'ELSE'. This phrase is often used to emphasize the importance of taking action and getting things done. It is a reminder that if we do not take action, then nothing will happen. The phrase is also used to encourage people to take responsibility for their own actions and to make sure that they are doing what needs to be done in order to achieve their goals.