General noun:
* Publication - This is the most common and general term for the act of publishing or the thing that is published.
Specific nouns:
* Publishing - This refers to the act or process of publishing.
* Publisher - This refers to the person or company that publishes something.
* Publishment - This is a less common term, but it refers to the act of publishing.
Other options:
* Release - This can be used to refer to the act of making something public, especially a book, movie, or piece of music.
* Dissemination - This refers to the act of spreading something widely, which can include publishing.
The best noun to use will depend on the specific context of your sentence.