concealment
con|ceal|ment /kəns'iːlmənt/
1 [N-UNCOUNT]
Concealment is the state of being hidden or the act of hiding something.
...the concealment of weapons.
2 [N-UNCOUNT] oft N of n
The concealment of information or a feeling involves keeping it secret.
His concealment of his true motives was masterly...
I think there was deliberate concealment of relevant documents.
1 [N-UNCOUNT]
Concealment is the state of being hidden or the act of hiding something.
...the concealment of weapons.
2 [N-UNCOUNT] oft N of n
The concealment of information or a feeling involves keeping it secret.
His concealment of his true motives was masterly...
I think there was deliberate concealment of relevant documents.