Answer: GHOSTED

AnswerCrossword Clue
GHOSTEDWrote (for)
GHOSTEDWrote without credit
GHOSTEDWrote for another
GHOSTEDWrote under someone else's byline
GHOSTEDWrote for another.
GHOSTEDLike memoirs of stars
GHOSTEDWrote anonymously
GHOSTEDLike some autobiographies
GHOSTEDWrote for
GHOSTEDWrote invisibly
ghostedAct as ghostwriter of (a work)
ghostedGHOST, to haunt (to visit frequently)
ghostedGlide smoothly and effortlessly