the.com/conceal
The art of making something present pretend to be absent.
means To hide something or keep it secret, deliberately preventing it from being seen or known.
from From Latin concelare, to hide completely, built on celare, to cover or screen — kin to cellar and Hell, both places where things get tucked out of sight.
Legal weightConcealing evidence is a crime with its own charge.
Family resemblanceShares its root with cell and clandestine.
Active verbRequires effort; forgetting hides nothing on purpose.