The term 'livened (up)' can be defined as making something more lively or exciting. This term can be expressed in four different ways, each with a different number of letters. The first is 'brisked' with seven letters, which means to make something more active or vigorous. The second is 'gingered' with eight letters, which means to add energy or enthusiasm. The third is 'perked' with six letters, which means to become more alert or lively. Lastly, 'pepped' with six letters, which means to give someone a boost of energy or enthusiasm. All of these terms are related to the idea of livening something up and making it more exciting.