THESAURUS
overestimate
aggrandize, amplify, ballyhoo, build up, burlesque, caricature, carry too far, draw the longbow, exaggerate, exaggeration, go to extremes, hyperbolize, idealize, idolize, lay it on, magnify, make much of, overappraisal, overappraise, overassess, overassessment, overcalculate, overcalculation, overcharge, overcommend, overcount, overdo, overdraw, overesteem, overestimation, overlaud, overmeasure, overpraise, overprize, overrate, overrating, overreach, overreact, overreact to, overreaction, overreckon, overreckoning, oversell, overspeak, overstate, overstatement, overstress, overvaluation, overvalue, pile it on, puff, stretch, stretch the truth, talk big, talk in superlatives, tout, travesty
ROGET THESAURUS
overestimate
Flattery
VB
flatter, praise to the skies, puff, wheedle, cajole, glaver, coax, fawn upon, faun upon, humor, gloze, soothe, pet, coquet, slaver, butter, jolly, bespatter, beslubber, beplaster, beslaver, lay it on thick, overpraise, earwig, cog, collogue, truckle to, pander to, pandar to, suck up to, kiss the ass of, pay court to, court, creep into the good graces of, curry favor with, hang on the sleeve of, fool to the top of one's bent, lick the dust, lay the flattering unction to one's soul, gild the pill, make things pleasant,
overestimate, exaggerate.
Misjudgment
VB
misjudge, misestimate, misthink, misconjecture, misconceive, fly in the face of facts, miscalculate, misreckon, miscompute,
overestimate, underestimate, prejudge, forejudge, presuppose, presume, prejudicate, dogmatize, have a bias, have only one idea, jurare in verba magistri, run away with the notion, jump to a conclusion, rush to a conclusion, leap to a conclusion, judge hastily, shoot from the hip, jump to conclusions, look only at one side of the shield, view with jaundiced eye, view through distorting spectacles, not see beyond one's nose, dare pondus fumo, get the wrong sow by the ear, give a bias, give a twist, bias, warp, twist, prejudice, prepossess.
Overestimation
VB
overestimate, overrate, overvalue, overprize, overweigh, overreckon, overstrain, overpraise, eulogize, estimate too highly, attach too much importance to, make mountains of molehills, catch at straws, strain, magnify, exaggerate, set too high a value upon, think much of, make much of, think too much of, make too much of, outreckon, panegyrize, extol, extol to the skies, make the most of, make the best of, make the worst of, make two bites of a cherry, have too high an opinion of oneself.
Exaggeration
VB
exaggerate, magnify, pile up, aggravate, amplify,
overestimate, hyperbolize, overcharge, overstate, overdraw, overlay, overshoot the mark, overpraise, make over much, over the most of, strain, strain over a point, stretch, stretch a point, go great lengths, spin a long yarn, draw with a longbow, shoot with a longbow, deal in the marvelous, out-Herod Herod, run riot, talk at random, heighten, overcolor, color highly, color too highly, broder, flourish, color, puff.