HEAT, warm, chafe, foment; make hot [See Heat]; sun oneself, bask in the sun.
FIRE, set fire to, set on fire; kindle, enkindle, light, ignite, strike a light; apply the -match, - torch- to; rekindle, relume; fan -, add fuel to- the flame; poke -, stir -, blow- the fire; make a bonfire of; build a campfire.
MELT, thaw, fuse; liquefy [See Liquefaction].
BURN, inflame, roast, toast, fry, grill, singe, parch, bake, torrefy, scorch; brand, cauterize, sear, burn in; corrode, char, carbonize, calcine, incinerate, calefy, calcinate [rare], tepefy, cupel, cupellate [rare], deflagrate [chem.]; smelt, scorify; reduce to ashes; burn to a cinder; commit -, consign- to the flames.
take -, catch- fire; blaze (flame) [See Heat].
BOIL, digest, stew, cook, seethe, ebullate [rare], scald, parboil, simmer; do to rags [colloq.].