Fortuitousness
The Century Dictionary and Cyclopedia
noun.
The quality or condition of being fortuitous; casual occurrence or causation.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
The quality of being
fortuitous
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the quality of happening accidentally and by lucky chance
Word Usage
"Such perfection of form, such hollowness that it certainly possessed, could not be the result of mere fortuitousness."
Hypernym
Words that are more generic or abstract
precariousness
uncertainness
uncertainty