[1] : The Collaborative International Dictionary of English v.0.48

conceal \conceal"\ ko^ns=el", v. t. imp.  p. p.
   concealed ko^ns=eld"; p. pr.  vb. n. concealing.
   of. conceler, l. concelare; con- + celareto hide; akin to
   as. helan, g. hehlen, e. 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.
   1913 webster

         it is the glory of god to conceal a thing. --prov. xxv.
                                                  2.
   1913 webster

         declare ye among the nations, . . . publish and conceal
         not.                                     --jer. l. 2.
   1913 webster

         he which finds him shall deserve our thanks, . . .
         he that conceals him, death.             --shak.

   syn: to hide; secrete; screen; cover; disguise; dissemble;
        mask; veil; cloak; screen.

   usage: to conceal, hide, disguise, dissemble,
          secrete. to hide is the generic term, which embraces
          all the rest. to conceal is simply not make known what
          we wish to keep secret. in the bible hide often has
          the specific meaning of conceal. see --1 sam. iii. 17,
          18. to disguise or dissemble is to conceal by assuming
          some false appearance. to secrete is to hide in some
          place of secrecy. a man may conceal facts, disguise
          his sentiments, dissemble his feelings, secrete stolen
          goods.
          1913 webster

                bur double griefs afflict concealing hearts.
                                                  --spenser.
          1913 webster

                both dissemble deeply their affections. --shak.
          1913 webster

                we have in these words a primary sense, which
                reveals a future state, and a secondary sense,
                which hides and secretes it.      --warburton.
          1913 webster
see also:
concealed concealing hell helmet to conceal hide 
disguise dissemble secrete 

[2] : WordNet (r) 2.0

concealing
     adj : covering or hiding; "the concealing darkness"; "concealing
           curtains prevented discovery" ant: revealing
     n : the activity of keeping something secret syn: concealment,
          hiding
see also:
revealing concealment hiding 

Concealing >> C Words
Concealing, definition of term: Concealing
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