ret·con 
(rĕtkŏn′)
(rĕtkŏn′)n.
The depiction of fictional events, as in a television series or comic book, that entail a revision of the narrative presented in an earlier installment.
tr.v. ret·conned, ret·con·ning, ret·cons
To modify (a fictional character, for example) in this manner.
[RET(ROACTIVE) + CON(TINUITY).]
- perfectible
- perfection
- perfectionism
- perfectionist
- perfectionistic
- perfective
- perfectively
- perfectiveness
- perfectivity
- perfectly
- perfectness
- perfect number
- perfecto
- perfect participle
- perfect pitch
- perfect rhyme
- perfect square
- perfect storm
- perfervid
- perfervidly
- perfervidness
- perfidious
- perfidiously
- perfidy
- perfluorocarbon