flare

[1]	flare up , blaze/flame (up) , flash , erupt , break out , dazzle , flicker , glimmer , shimmer , flutter
[2]	Often , flare out , spread (out/outwards) , widen , broaden , expand , increase , enlarge , bulge , swell
[3]	flare up , anger , lose one's temper , chafe , seethe , fume , rage , throw a tantrum , become incensed/angry (etc) , blow up , burst forth , erupt , explode , (Colloq) get one's back up , get one's Irish/dander up , see red , get worked up , fly off the handle , lose one's cool , go out of/lose control , get hot under the collar , blow one's top
[4]	flame up , blaze up , burn up
[5]	flare out
[6]	flame
[7]	erupt , irrupt , flare up , break open , burst out

[1]	flair
[2]	flash
[3]	blaze , flame , burst , outburst , flash , glare , dazzle , incandescence , brilliance , luminosity
[4]	beacon , light , signal , torch , flambeau , link
[5]	spread , solar flare , broadening , widening , expansion , swelling , bulge , increase , enlargement
[6]	flare pass