Disclosure, n.
Etymology: [See Disclose, v. t., and cf. Closure.]
1. The act of disclosing, uncovering, or revealing; bringing to light; exposure. He feels it [his secret] beating at his heart, rising to his throat, and demanding disclosure. D. Webster.
2. That which is disclosed or revealed. Were the disclosures of 1695 forgotten Macaulay.
Shades of meaning
Fernald has no entry of its own for disclosure; he lists it under revelation.
Where he writes about it:
The Apocalypse unveils the future, as if to the very gaze of the seer; the whole gospel is a disclosure of the mercy of God; the character of Christ is a manifestation of the divine holiness and love; all Scripture is a revelation of the divine will. — from revelation