be untruthful

deceive mislead misrepresent promote

BS beguile bull con concoct delude dissemble dissimulate distort dupe equivocate exaggerate fabricate fake falsify fib forswear frame fudge invent malign misguide misinform misspeak misstate overdraw palter perjure pervert phony plant prevaricate snow soft-soap victimize

bear false witness break promise go back on make believe misinstruct put on put up a front string along

be honest tell the truth