pep

[1]	pep up , stimulate , invigorate , animate , enliven , vitalize , vivify , energize , exhilarate , quicken , arouse , breathe (some) life into , inspire , activate , actuate , fire , cheer up , (Colloq) buck up , spark , work/fire up , (US) wind up

[1]	vigour , peppiness , ginger , vim (and vigour) , spirit , animation , vivacity , energy , verve , zest , fire , sprightliness , life , effervescence , sparkle , ebullience , dash , enthusiasm , brio , (Colloq) zip , zing