the quality of being true
verity - truth
The formal word ‘verity’ refers to the characteristic of being true, real, or honest. It can also be used to refer to a statement or phrase that expresses what is considered to be a true idea or belief. In the former sense, it is often used in a professional context, particularly with regards to reports and documents. In the latter, it is most commonly encountered in print media.
I can’t understand why the verity of the document was never questioned when its author has a far from unsullied reputation.
The verities of military life, such as discipline, duty, and honour, are what inspired David to volunteer.
Before taking any action on the evidence presented, I want a senior analyst to first confirm the verity of the report.