Webster's Revised Unabridged Dictionary · 1913

Conceal

Conceal (kon*sēl") , transitive verb

[Old French conceler, Latin concelare; con- + celareto hide; akin to Anglo-Saxon helan, German hehlen, English hele (to cover), helmet. See Hell, Helmet.]

To hide or withdraw from observation; to cover; to cover or keep from sight; to prevent the discovery of; to withhold knowledge of.
It is the glory of God to conceal a thing. — Bible (KJV) - Proverb xxv. 2
Declare ye among the nations,... publish and conceal not. — Jer. l. 2
He which finds him shall deserve our thanks,... He that conceals him, death. — Shakespeare
Bur double griefs afflict concealing hearts. — Spenser
Both dissemble deeply their affections. — Shakespeare
We have in these words a primary sense, which reveals a future state, and a secondary sense, which hides and secretes it. — Warburton