Exaggerate, Excite, Exhilarate, Fan, Ferment, File, Fillip, Fire, Foment, Foretaste, Grind, Heat, Heighten, Hone, Incense, Incentive, Incite, Incitement, Inducement, Inflame, Instigate, Intensify, Interest, Invigorate, Invitation, Kindle, Lure, Magnify, Nettle, Payment, Percentage, Persuasive, Pique, Point, Profit, Provocation, Provoke, Quicken, Rally, Ramify, Redouble, Refine, Reinforce, Renew, Reset, Resuscitate, Revive, Reward, Rouse, Set, Sharp, Sharpen, Spur, Stimulate, Stimulation, Stimulus, Stir, Strap, Strengthen, Strop, Sweetener, Sweetening, Taper, Tickle, Triple, Wake, Waken, Accelerate, Aggravate, Agitate, Animate, Aperitif, Arouse, Awaken, Bait, Barb, Bestir, Bribe, Canape, Carrot, Challenge, Complicate, Concentrate, Condense, Consolidate, Cultivate, Deepen, Double, Edge, Encouragement, Enhance, Enliven, Exacerbate