misrecollect
/ˌmɪsˌrɛkəˈlɛkt/verb
1 [no object] To be mistaken in one's recollection; to have a wrong or imperfect recollection.
2 [with object] To recollect wrongly or imperfectly.
Origin
Late 18th century; earliest use found in Jeremy Bentham (1748–1832), philosopher, jurist, and reformer. From mis- + recollect.