1.  light up(v = verb.weather) - start to burn with a bright flame; "The coal in the BBQ grill finally lit up"
is one way to catch fire, combust, conflagrate, erupt, ignite, take fire
Sample sentences: Something ----s

2.  light up(v = verb.change) illume, illuminate, illumine, light - make lighter or brighter; "This lamp lightens the room a bit"
is one way to lighten, lighten up
Sample sentences: Somebody ----s something; Something ----s something

3.  light up(v = verb.weather) brighten, clear, clear up - become clear; "The sky cleared after the storm"
Sample sentences: Something ----s; It is ----ing

4.  light up(v = verb.weather) - ignite; "The sky lit up quickly above the raging volcano"
is one way to ignite, light
Sample sentences: Something ----s

5.  light up(v = verb.consumption) fire up, light - begin to smoke; "After the meal, some of the diners lit up"
is one way to ignite, light
Sample sentences: Somebody ----s

VB  excite, affect, touch, move, impress, strike, interest, animate, inspire, impassion, smite, infect, stir the blood, fire the blood, warm the blood, set astir, wake, awake, awaken, call forth, evoke, provoke, raise up, summon up, call up, wake up, blow up, get up, light up, raise, get up the steam, rouse, arouse, stir, fire, kindle, enkindle, apply the torch, set on fire, inflame, stimulate, exsuscitate, inspirit, spirit up, stir up, work up, pique, infuse life into, give new life to, bring new blood, introduce new blood, quicken, sharpen, whet, work upon, hurry on, give a fillip, put on one's mettle, fan the fire, fan the flame, blow the coals, stir the embers, fan into a flame, foster, heat, warm, foment, raise to a fever heat, keep up, keep the pot boiling, revive, rekindle, rake up, rip up, stir the feelings, play on the feelings, come home to the feelings, touch a string, touch a chord, touch the soul, touch the heart, go to one's heart, penetrate, pierce, go through one, touch to the quick, possess the soul, pervade the soul, penetrate the soul, imbrue the soul, absorb the soul, affect the soul, disturb the soul, absorb, rivet the attention, sink into the mind, sink into the heart, prey on the mind, distract, intoxicate, overwhelm, overpower, bouleverser, upset, turn one's head, fascinate, enrapture, agitate, perturb, ruffle, fluster, shake, disturb, startle, shock, stagger, give one a shock, give one a turn, strike all of a heap, stun, astound, electrify, galvanize, petrify, irritate, sting, cut to the heart, cut to the quick, try one's temper, fool to the top of one's bent, pique, infuriate, madden, make one's blood boil, lash into fury, be excited, flush up, flare up, catch the infection, thrill, mantle, work oneself up, seethe, boil, simmer, foam, fume, flame, rage, rave, run mad.

VB  be cheerful, have the mind at ease, smile, put a good face upon, keep up one's spirits, view the bright side of the picture, view things en couleur de rose, ridentem dicere virum, cheer up, brighten up, light up, bear up, chirp, take heart, cast away care, drive dull care away, perk up, keep a stiff upper lip, rejoice, carol, chirrup, lilt, frisk, rollick, give a loose to mirth, cheer, enliven, elate, exhilarate, gladden, inspirit, animate, raise the spirits, inspire, perk up, put in good humor, cheer the heart, rejoice the heart, delight.

VB  shine, glow, glitter, glister, glisten, twinkle, gleam, flare, flare up, glare, beam, shimmer, glimmer, flicker, sparkle, scintillate, coruscate, flash, blaze, be bright, reflect light, daze, dazzle, bedazzle, radiate, shoot out beams, fulgurate, clear up, brighten, lighten, enlighten, levin, light, light up, irradiate, shine upon, give out a light, hang out a light, cast light upon, cast light in, throw light upon, throw light in, shed light upon, shed luster upon, illume, illumine, illuminate, relume, strike a light, kindle.

act up, add up, anchor light, ante up, arc light, auld light, back up, backed up, ball up, balled up, bang up, beacon light, beam of light, bear up, beat up, beef up, beefed up, belly up, belt up, bengal light, bind up, blaze up, block up, blow up, blowing up, blown up, board up, bob up, bollix up, bollixed up, bollocks up, bolster up, bomb up, bone up, book up, boost up, botch up, bottle up, bound up, box up, brace up, brake light, break up, brick up, bridle up, bring to light, bring up, bringing up, brisk up, bristle up, brush up, bubble up, buck up, bucked up, bude light, build up, bump up, bunch up, bundle up, buoy up, burn up, bust up, butter up, button up, buy up, calcium light, call up, carve up, cast up, catch up, catch up with, caught up, caught up in, chain up, chalk up, charge up, chat up, check up on, cheer up, chew up, chin up, chirk up, chock up, choke up, choose up, chop up, chuck up the sponge, chum up, churn up, city of light, clam up, clap up, clean up, clear up, climb up, clock up, clog up, close up, cloud up, clouding up, clutter up, cobble up, cock up, coherent light, come to light, come up, come up against, come up to, conjure up, cook up, coop up, cork up, corpuscular theory of light, cotton up, cough up, coughing up, couple up, cover up, cozy up, crack up, crank up, crap up, creep up, crock up, crop up, curl up, curled up, cut up, dam up, deck up, dig up, digging up, dish up, divided up, divvy up, do up, doctor up, doll up, dolled up, done up, dope up, double up, drag up, draw up, dream up, dredge up, dress up, dried up, drink up, drive up, drive up the wall, drum up, dry up, drying up, dummy up, earth up, ease up, eat up, edge up, electric light, electrical light, end up, even up, face up, face up to, faggot up, fairy light, fake up, fancied up, fancy up, fatten up, fed up, felt up, fess up, fetch up, fig up, fill up, finish up, finsen light, fire up, firm up, first light, fix up, flame up, flare up, fluff up, fog up, fold up, follow up, follow up on, foot up, fork up, fort up, foul up, frame up, freshen up, fuck up, furbish up, gang up, gang up on, gas up, gather up, gear up, get up, ginger up, give up, giving up, glam up, go up, go up in smoke, gobble up, green light, grow up, grown up, grub up, guiding light, gum up, gummed up, gussied up, gussy up, ham it up, hang up, hard up, hash up, haul up, head up, heap up, heat up, heated up, heave up, heft up, held up, het up, high up, higher up, hike up, hit it up, hit up, hitch up, hive up, hoke up, hold up, hole up, hook up, hook up with, hop up, hopped up, hot up, hung up, hurry up, hush up, hype up, ice up, idiot light, infrared light, inner light, jack up, jazz up, jolly up, juice up, jump up, jumping up and down, keep up, kept up, key up, keyed up, kick up, kink up, kit up, klieg light, knock up, lace up, laid up, land up, lap up, laser light, laugh it up, lay up, lead up, leading light, let up, lift up, light, light adaptation, light air, light arm, light ballast, light beam, light beer, light bread, light breeze, light brown, light bulb, light circuit, light colonel, light company, light cream, light diet, light filter, light flyweight, light footed, light heavyweight, light hour, light intensity, light into, light machine gun, light meter, light microscope, light middleweight, light minute, light opera, light out, light pen, light reaction, light reflex, light second, light show, light source, light speed, light time, light touch, light unit, light upon, light welterweight, light whipping cream, light within, light year, lighten up, limber up, lime light, line up, lined up, link up, live it up, live up to, liven up, load up, lock up, log up, look up, look up to, looking up, loosen up, louse up, made up, make light of, make up, make up one's mind, make up to, mark up, mat up, matte up, measure up, measure up to, meet up with, mess up, messed up, mix up, mixed up, mock up, mop up, mount up, mount up to, move up, muck up, mucked up, muddy up, muffle up, mug up, muster up, navigation light, offer up, one-way light time, open up, own up, oxyhydrogen light, pal up, panel light, pass up, patch up, pay up, pen up, pent up, pep up, perk up, perked up, pick up, pick up the gauntlet, pile up, pilot light, pin up, pipe up, play up, play up to, plump up, point up, polish up, pony up, pop up, pound up, prang up, pretty up, prick up, prim up, prop up, propping up, psych up, psyched up, puff up, puffed up, pull up, pull up short, pull up stakes, pumped up, push up, put up, put up job, put up to, put up with, queue up, rachet up, rack up, raise up, rake up, ramp up, ray of light, rear light, red light, red light district, rev up, riding light, rig up, ring up, rip up, rise up, roll up, room light, rope up, rough up, round up, round-trip light time, rout up, rub up, ruck up, ruffle up, run up, runner up, running light, sack up, saint elmo's light, saint ulmo's light, save up, saved up, scale up, scare up, scoop up, scrape up, scratch up, screw up, scrub up, scrunch up, seal up, see the light, sell up, serve up, set up, sew up, sex up, shack up, shaft of light, shake up, shape up, shed light on, shine up, shine up to, shoot up, shore up, shoring up, show up, shown up, shrivel up, shut up, sidle up, sign up, signal light, silt up, sit up, size up, slack up, slice up, slick up, slicked up, slip up, slow up, slurp up, smarten up, smash up, smell up, snap up, snarl up, snatch up, sneak up, soak up, soaking up, soar up, sober up, soften up, sop up, soup up, speak up, speak up for, spear up, speed of light, speed up, speeded up, spice up, spiff up, spiffed up, spirit up, spit up, split up, sponge up, spring up, spruce up, spruced up, square up, stack up, stand up, stand up for, stand up to, start up, stay up, steam up, steamed up, step up, stick up, stick up for, stink up, stir up, stirred up, stop light, stop up, stopped up, stored up, straighten up, strike up, string up, strobe light, stuck up, suck up, suck up to, sum up, summing up, summon up, sunny-side up, swallow up, sweep up, sweetness and light, swell up, swept up, swoop up, swot up, take up, take up arms, take up with, taken up, tart up, team up, tear up, tee up, tense up, theater light, think up, throw up, tidy up, tie up, tied up, tier up, tighten up, tog up, togged up, tone up, toss up, tot up, tote up, touch up, touch up paint, traffic light, trice up, trick up, trip the light fantastic, trip the light fantastic toe, trip up, true up, trump up, trumped up, tune up, turn up, turn up the heat, turn up the pressure, turned up, tying up, ultraviolet light, up, up and down, up country, up here, up in arms, up in the air, up on, up quark, up the stairs, up to, up to her neck, up to his neck, up to my neck, up to now, up to our necks, up to their necks, up to your neck, use up, used up, using up, vamp up, very light, vigil light, visible light, vomit up, wake up, waking up, wall up, warm up, warning light, wash up, washed up, wave theory of light, wax light, well up, whip up, whomp up, whoop it up, wind up, wipe up, wise up, work up, worked up, wound up, wrack up, wrap up, wrapped up, wrapped up in, write up, wrought up, yellow light, yield up, zip up, zircon light, zodiacal light