What does "communicativeness" mean?

The state or quality of being communicative.

What is a synonym for "communicativeness"?

Common synonyms include: big mouth, candor, civility, compatibility, congeniality, courtesy.

noun

noun ·Rare ·Advanced level

Noun

1
The state or quality of being communicative. uncountable
"Her brief spurt of communicativeness lapsed suddenly, as if these market-values of her goods might be telling too much about herself."
2
the trait of being communicative wordnet

"Her brief spurt of communicativeness lapsed suddenly, as if these market-values of her goods might be telling too much about herself."

From communicative + -ness.