The term 'GET HIGHER' can be solved by two crossword solutions: RISE (4 letters) and ASCEND (6 letters). Both terms refer to the act of moving upwards or increasing in level. RISE is a more general term that can refer to any kind of upward movement, while ASCEND implies a more gradual and continuous increase. Both terms are often used in the context of achieving success or reaching a higher level of accomplishment.