Nouns ending in -té are usually feminine.
The suffix marks an abstract quality.
Is véracité masculine or feminine?
lavéracité
The rule behind it
91.3% of -té nouns are feminine
In context
Je doute de la véracité de ce rapport.
I doubt the truth of the report.
Je doute de la véracité de son histoire.
I doubt the veracity of his story.
Je doute de la véracité de sa déclaration.
I doubt the veracity of his statement.