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

• Lexulous
• Wordscraper
• Wordosaur

n. The quality of being previous.

n. The quality or state of being previous; priority or antecedence in time.

n. Previous occurrence; antecedence; priority in time.

"There are handsome buildings in Denver -- blocks that would do credit to any city under the sun; but there was for years an upstart air, a palpable provincialism, a kind of ill-disguised "previousness," noticeable that made her seem like the brisk suburb of some other place, and that other place, alas! invisible to mortal eye."

nextness   

antecedence    anteriorness    priority