THESAURUS
falsify
alter, be untruthful, belie, burlesque, camouflage, caricature, change, cheat, color, contort, contradict, contravene, cook, deceive, deny, disguise, distort, doctor, draw the longbow, dress up, embellish, embroider, equivocate, evade, exaggerate, fake, fib, fudge, garble, gild, gloss, gloss over, lie, lie flatly, mask, miscite, miscolor, mislead, misquote, misreport, misrepresent, misstate, misteach, overdraw, overstate, palter, parody, pervert, prevaricate, shift, shift about, slant, speak falsely, story, strain, stretch the truth, tell a lie, titivate, traverse, travesty, trick out, trump up, twist, understate, varnish, warp, whitewash, wrench
ROGET THESAURUS
falsify
Error
VB
be erroneous, cause error, mislead, misguide, lead astray, lead into error, beguile, misinform, delude, give a false impression, give a false idea,
falsify, misstate, deceive, lie, err, be in error, be mistaken, be deceived, mistake, receive a false impression, deceive oneself, fall into error, lie under error, labor under an error, be in the wrong, blunder, misapprehend, misconceive, misunderstand, misreckon, miscount, miscalculate, play at cross purposes, be at cross purposes, trip, stumble, lose oneself, go astray, fail, be in the wrong box, take the wrong sow by the ear, put the saddle on the wrong horse, reckon without one's host, take the shadow for the substance, dream.
Falsehood
VB
be false, be a liar, speak falsely, tell a lie, lie, fib, lie like a trooper, swear false, forswear, perjure oneself, bear false witness, misstate, misquote, miscite, misreport, misrepresent, belie,
falsify, pervert, distort, put a false construction upon (misinterpret), prevaricate, equivocate, quibble, palter, palter to the understanding, repondre en Normand, trim, shuffle, fence, mince the truth, beat about the bush, blow hot and cold, play fast and loose, garble, gloss over, disguise, give a color to, give a gloss, put a gloss, put false coloring upon, color, varnish, cook, dress up, embroider, varnish right and puzzle wrong, exaggerate, blague, invent, fabricate, trump up, get up, force, fake, hatch, concoct, romance, cry 'wolf!', dissemble, dissimulate, feign, assume, put on, pretend, make believe, play possum, play false, play a double game, coquet, act a part, play a part, affect, simulate, pass off for, counterfeit, sham, make a show of, malinger, say the grapes are sour, cant, play the hypocrite, sham Abraham, faire pattes de velours, put on the mask, clean the outside of the platter, lie like a conjuror, hand out false colors, hold out false colors, sail under false colors, commend the poisoned chalice to the lips, ambiguas in vulgum spargere voces, deceive.