What does "availableness" mean?

Competent power; validity; efficacy

What is a synonym for "availableness"?

Common synonyms include: availability, accessibility, handiness.

noun

noun ·Rare ·Advanced level

Noun

1
Competent power; validity; efficacy uncountable
"the availableness of a title"
2
the quality of being at hand when needed wordnet
3
The quality of being available. uncountable

From available + -ness.