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clear up
THESAURUS
clear up
account for, allegorize, answer, ascertain, assure, bottom, certify, cinch, cipher, clarify, clean up, clear, clear the decks, clinch, crack, debug, decide, decipher, decode, demonstrate, demythologize, determine, disembroil, disentangle, disintricate, disinvolve, dismiss all doubt, dissolve, divine, do, dope, dope out, elucidate, enlighten, ensure, establish, euhemerize, exemplify, explain, explain away, explicate, exposit, expound, fathom, figure out, find out, find the answer, find the solution, fix, fix up, get, get at, get right, give reason for, give the meaning, groom, guess, guess right, have it, hit it, illuminate, illustrate, insure, interpret, make certain, make clear, make no doubt, make no mistake, make out, make plain, make sure, make sure of, nail down, neaten, open the lock, plumb, police, police up, popularize, psych, psych out, put in trim, puzzle out, rationalize, ravel, ravel out, reassure, remove all doubt, resolve, riddle, see that, see to it, set at rest, settle, shed light upon, show, show how, show the way, simplify, solve, sort out, spell out, spruce, spruce up, straighten up, throw light upon, tidy, tidy up, trig up, trim, trim up, unbraid, unclutter, uncoil, undo, unfold, unknot, unlock, unmix, unravel, unriddle, unscramble, unsnarl, untangle, unthread, untwine, untwist, unweave, unwind, work, work outROGET THESAURUS
clear up
Light
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.Intelligibility
VB be intelligible, speak for itself, speak volumes, tell its own tale, lie on the surface, render intelligible, popularize, simplify, clear up, elucidate, understand, comprehend, take, take in, catch, grasp, follow, collect, master, make out, see with half an eye, see daylight, see one's way, enter into the ideas of, come to an understanding.Interpretation
VB interpret, explain, define, construe, translate, render, do into, turn into, transfuse the sense of, find out, 1 the meaning of, read, spell out, make out, decipher, unravel, disentangle, find the key of, enucleate, resolve, solve, read between the lines, account for, find the cause, tell the cause of, throw light upon, shed light upon, shed new light upon, shed fresh light upon, clear up, clarify, elucidate, illustrate, exemplify, unfold, expound, comment upon, annotate, popularize, take in a particular sense, understand in a particular sense, receive in a particular sense, accept in a particular sense, understand by, put a construction on, be given to understand.For further exploring for "clear up" in Webster Dictionary Online