The crossword solutions for the term 'RIGHT UP!' are STEP, which is a four-letter word. The phrase 'RIGHT UP!' is an expression of encouragement and enthusiasm, usually used to motivate someone to continue with a task or to do something better. It can also be used to show approval or agreement with something. The word 'STEP' in this context could refer to taking a STEP forward in order to reach a goal or to make progress.