What part of speech is forthcomingness?

Forthcomingness can be categorized as a noun.

Parts of speech

• 1. forthcomingness is a noun, singular of forthcomingnesses.

Inflections

Noun

• Singular

  Plural
• forthcomingness 

  forthcomingnesses 

• Singular: forthcomingness 
• Plural: forthcomingnesses 

What does forthcomingness mean?