The term 'increase in size' can be described by several words, such as 'GROW' (4 letters), 'GROWTH' (6 letters), 'WAX' (3 letters), 'AGGRANDIZE' (10 letters), 'EXPAND' (6 letters), and 'ENLARGE' (7 letters). Each of these words has a slightly different connotation, but they all refer to the same concept of increasing in size. 'GROW' and 'GROWTH' are the most general terms, referring to any kind of increase in size. 'WAX' is often used to describe an increase in size that is gradual and steady. 'AGGRANDIZE' implies an increase in size that is accompanied by an increase in power or importance. 'EXPAND' and 'ENLARGE' both refer to an increase in size that is more sudden and dramatic.