Webster's Revised Unabridged Dictionary · 1913

Manifestation

Manifestation , noun

[Latin manifestatio: compare French manifestation.]

1.
The act of manifesting or disclosing, or the state of being manifested; discovery to the eye or to the understanding.
2.
That which manifests; a phenomenon which gives evidence of something hidden; exhibition; display; revelation; as, the manifestation of God's power in creation; the delayed manifestation of a disease.
The secret manner in which acts of mercy ought to be performed, requires this public manifestation of them at the great day. — Atterbury
3.
The materialization or apparition of a spirit; -- a phenomenon claimed to be seen by spiritualists.