The term 'make lively' can be broken down into four crossword solutions: PERK (4 letters), ANIMATE (7 letters), EXHILARATE (10 letters), and REANIMATE (9 letters). PERK is a verb meaning to become suddenly more cheerful or more lively. ANIMATE is a verb meaning to give life or spirit to something, often through movement. EXHILARATE is a verb meaning to fill with great joy or excitement. Finally, REANIMATE is a verb meaning to bring back to life or restore to consciousness. All of these words are related to the idea of making something more lively, either through giving it life, restoring it to life, or filling it with joy and excitement.