The fourth dimension is the blood dimension, the great tribal justifier.
From the time.com
Regardless, to be justified, a belief has to have a justifier.
From the en.wikipedia.org
At least sometimes, the justifier of a belief is another belief.
From the en.wikipedia.org
It has a justifier, but the justifier is itself not justified.
From the en.wikipedia.org
If a belief is justified, then it has at least one justifier.
From the en.wikipedia.org
An example of a justifier would be an item of evidence.
From the en.wikipedia.org
More examples
Apologist: a person who argues to defend or justify some policy or institution; "an apologist for capital punishment"
The Justifiers are fictional foot soldiers in the DC Comics universe. They first appeared in Forever People #3, (June 1971), and were created by Jack Kirby.
One who, or that which, justifies (some belief or action)