What does "patness" mean?

The state or quality of being pat.

Patness

Common synonyms include: cannedness, cliche, glibness, opportuneness, oversimplification, timeliness.

noun

noun ·Rare ·Advanced level

Noun

1
The state or quality of being pat. uncountable, usually
"The setup's almost laughably pat, and nothing that follows mitigates that patness."
2
timely convenience wordnet

"The setup's almost laughably pat, and nothing that follows mitigates that patness."

From pat + -ness.