This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A message appended at the end of a letter after the writer's signature.

n. Additional information appended to the manuscript, as of a book or article.

n. An addendum to a letter, added after the author’s signature.

n. An addition to a story, play, etc.

v. To extend (a letter etc.) with additional remarks.

n. A paragraph added to a letter after it is concluded and signed by the writer; an addition made to a book or composition after the main body of the work has been finished, containing something omitted, or something new occurring to the writer.

n. An addition made to a written or printed composition as an afterthought, or to state something that has been omitted.

n. More commonly, a paragraph added to a letter which has already been concluded and signed by the writer.

n. Abbreviated P. S.

n. a note appended to a letter after the signature

n. textual matter that is added onto a publication; usually at the end

"Eisner's introduction and postscript are the perfect frames for this remix story: in the intro, he talks about his naive use of black stereotypes in his 1950s comic The Spirit, while the postscript is an accessible but learned discussion of the stereotyping that Dickens fell prey to."

preface   

annotation    notation    note   

addition    envoy    subscript    subscription   

afterword    proem    soften    misnomer    sendit