Ramp up is a term used to describe the process of increasing or accelerating something. It can be used in many different contexts, such as business, technology, and even personal relationships. The crossword solutions INCREASE (8 letters), REV (3 letters), and BOOST (5 letters) all refer to the same concept of ramping up. All three words imply an INCREASE in intensity, speed, or volume, which is what ramping up is all about.