1. (v. t.) To give life, action, or motion to; to make vigorous or active; to excite; to quicken; as, fresh fuel enlivens a fire.

2. (v. t.) To give spirit or vivacity to; to make sprightly, gay, or cheerful; to animate; as, mirth and good humor enliven a company; enlivening strains of music.

amuse animate arouse awaken beguile boost brace brace up brighten brisk brisken buck up buoy up cheer cheer up chirk up convulse delight divert dynamize electrify embue encourage energize enkindle entertain excite exhilarate fillip fire fire up fortify fracture one fresh up freshen freshen up galvanize give a lift gladden hearten imbue infect inflame inform infuse infuse life into inject inoculate inspire inspirit invigorate jazz up kill kindle knock dead liven loosen up pep up perk up pick up pique provoke quicken raise a laugh raise a smile reanimate recreate refresh refreshen regale reinvigorate rejoice rejoice the heart rejuvenate relax renew restore resuscitate revive revivify rouse set up sharpen slay snap up solace spirit spirit up stimulate tickle titillate uplift vitalize vivify wake up warm whet wow zip up