accelerate aggravate annoy arouse awake awaken beef up blow the coals blow up call forth call up complicate concentrate condense consolidate deepen double enhance enkindle enrage exacerbate exaggerate excite fan fan the fire fan the flame feed the fire fire flame foment frenzy heat heat up heighten hop up hot up impassion incense incite inflame infuriate intensify jazz up kindle lather up light the fuse light up madden magnify make complex move overexcite ramify redouble reinforce rouse set astir set fire to set on fire sharpen soup up steam up step up stir stir the blood stir the embers stir the feelings stir up strengthen summon up triple turn on wake wake up waken warm warm the blood whet whip up work into work up