The term 'fair reward' can be summarized by two crossword solutions: 'RIBBON' (6 letters) and 'blueribbon' (10 letters). A RIBBON is a thin strip of fabric, usually made of silk or satin, that is used for decoration or to tie something together. A blue RIBBON is a symbol of excellence, typically awarded to the winner of a competition or contest. Therefore, a fair reward could be represented by a RIBBON or a blue RIBBON, signifying recognition and achievement.