backstory
cover story
write out
cover-up
pseudohistory
false memory syndrome
legend
blow someone's cover
regress
antihistory
negationist
unhistory
dissemble
live a lie
song and dance
change one's story
historical
memory lane
victimage
race mixer
stalking-horse
pretext
work of fiction
gaslight
late
mind game
former
story
account
show one's cards
chronicle
effigy
history
previous
facticide
traveller's tale
hoodwink
snow
bamboozle
euhemerization
play false
Freudian slip
keep one's cards close to one's chest
win one for the Gipper
pull the wool over someone's eyes
lead by the nose
embroidery
show one's true colors
depersonalize
fictive
proverb
reminisce
live in the shadow of
misimagine
misremembrance
misdirection
retrospective memory
mis-history
historicalization
bring back
apocryphiar
caricature
negationism
fabricatory
pseudolife
bury
retrospection
bad faith
put one past
memorate
misforecast
misframing
denial is not a river in Egypt
anecdote
pseudobiographical
psychomanipulation
tall tale
fish story
fiction
fugue state
cock-and-bull story
counternarrative
anonymization
slip someone's mind
introspection illusion
confusion
fairytale
divulgence
ye olde
postmemory
fairy story
elude
divulgement
fairy tale
deception
to find a better fitting word. Finally, thanks to ChatGPT, the overall results have been greatly improved.