The term 'JUST DO IT, FOR ONE' is a SLOGAN that was created by Nike in 1988. It has become one of the most iconic and recognizable slogans in the world, and is often used to motivate people to take action and pursue their goals. The crossword solutions for this term are 'NIKE' (6 letters). This is a reference to the company that created the SLOGAN and has been using it in their advertising campaigns since its inception.