veritableness

We feel that it is not impossible that there should come up a swarm of these small winged reptiles: and their horror is not diminished by their smallness: not that they have any of the grotesque terribleness of German invention; they might have been made infinitely uglier with small pains, but it is their veritableness which makes them awful.

Antonyms: potential, nominal, hypothetical. actuality, n. reality, veritableness. actuate, v. instigate, impel, incite. actuation, n. instigation, incitement, animation. acumen, n. astuteness, shrewdness, discernment, sharpness.

And are you so, in your opinion of its veritableness?