ceal- +

(Latin: to hide; hidden; secret)

conceal (verb), conceals; concealed; concealing
1. To put or to keep something or someone out of sight, or to prevent the person or thing from being found. "The evidence was carefully concealed by the prosecutor."
2. To keep something secret, or to prevent it from being known.
3. To hide; to withdraw, or to remove from observation; to cover or to keep from sight.
4. To prevent or to avoid disclosing or divulging something.
conceal evidence; cover-up
An attempt, whether successful or not, to conceal or to hide evidence of wrong-doing, some error, incompetence, or any other embarrassing information.
concealability (s) (noun) (no pl)
The capability of something or even someone that can be hidden, withdrawn or removed from observation, covered up, or kept out of sight: The concealability of the hideaway in little Sally's room was great because she could sit there quietly and her parents couldn't see or hear her at all!
concealable (adjective), more concealable, most concealable
Capable of being hidden, withdrawn, or removed from observation: Little Jenny was happy that she had long curtains in her bedroom, making her concealable from her parents when she hid behind them, and therefore not being easily found by her parents!
concealed
That which was kept from being seen, found, observed, or discovered.
concealed weapon
A weapon; especially, a handgun, that is kept hidden on one's person, or under one's control; for example, in a glove compartment or under a car seat.

Carrying a concealed weapon is a crime in most U.S. states unless the party with the weapon is a law enforcement officer or has a permit to carry a concealed weapon.

concealer
1. Someone who ne who hides; such as, the concealer of a crime.
2. Flesh-colored makeup that can be applied to the skin to hide blemishes.
3. Anything that holds back and kept from being perceived by others.
4. Anyone or anything that prevents something from being seen or discovered.
concealing
1. The action of keeping something secret.
2. Covering or hiding someone or something.
concealment (s) (noun), concealments (pl)
1. The action of keeping something secret; such as, the fraudulent failure to reveal information which someone knows and is aware that in good faith he or she should tell another person or authority: Such concealment can at least cause for a cancellation of a contract by the misled person or be the basis for a civil lawsuit for fraud.

2. A covering that serves to hide or to shelter something.
3. A condition of being hidden.
4. Keeping out of sight and from being seen, found, observed, or discovered.
5. Etymology: from Latin concelare; from con-, "completely" + celare, "to hide".
fraudulent concealment, suppression of evidence
1. The deliberate hiding, non-disclosure, or suppression of essential facts or circumstances that someone is legally or morally required to reveal; especially, with the intention to deceive or to defraud a person in a contractual arrangement.
2. Concealment, destruction or withholding of, or refusal to give, material evidence which a person has or knows and is legally or morally boung to reveal.

It is normally considered an '"obstruction of justice" which is a criminal offense.

3. A deliberate attempt to withhold information or to conceal an act to avoid a contractual responsibility.

Fraudulent concealment that is applied to health care providers comes up when a treating doctor conceals from an aggrieved patient that a previous treating doctor may have committed malpractice.

inconcealable (adjective), more inconcealable, most inconcealable
Incapable of being hidden or kept secret: The huge moving van in front of Tim's house was inconcealable while his car was still in the garage with the door closed and not viewable at all.
unconcealable (adjective), more unconcealable, most unconcealable
Unable to be kept as a secret or hidden: The fact that Jenifer was pregnant was unconcealable after about 5 months!
unconcealed
1. Not concealed or hidden.
2. Visible, out in the open, or obvious.
well-concealed, well concealed
When something is hidden or concealed in a skilful, satisfactory, or careful manner: "The money that he wanted to keep handy was well-concealed inside a compartment of a book on the shelf where many other books were visible."

A cross reference of other word family units that are related directly, or indirectly, to: "secret, hidden, confidential, concealed": clandesti-; crypto-; myster-; occult-; orgy; stego-, stegano-.