n. (informal)
25B6; noun a performance full of pep : DYNAMISM, life, energy, spirit, liveliness, animation, bounce, sparkle, effervescence, verve, spiritedness, ebullience, high spirits, enthusiasm, vitality, vivacity, fire, dash, panache, elan, zest, exuberance, vigour, gusto, brio; informal feistiness, get-up-and-go, oomph, pizzazz, vim.
25A0; pep something up ENLIVEN, animate, liven up, put some/new life into, invigorate, vitalize, revitalize, vivify, ginger up, energize, galvanize, put some spark into, stimulate, get something going, perk up; brighten up, cheer up; informal buck up.