Middle English concelen, borrowed from Anglo-French conceler, borrowed from Latin concēlāre, from con- com-cēlāre "to hide, keep secret," probably derivative of an unattested lengthened-grade noun formed from the Indo-European verb base *ḱel- "cover, conceal," whence Latin occulere "to hide from view, keep secret" (from *ob-cel-), Old Irish ceilid "(s/he) hides," Welsh celaf "(I) hide," Germanic *hel-a- "hide" (whence Old English, Old Saxon & Old High German helan "to hide, keep secret")
verb
to prevent disclosure or recognition of
to place out of sight
conceal the truth
hideconcealscreensecretebury mean to withhold or withdraw from sight. hide may or may not suggest intent. conceal usually does imply intent and often specifically implies a refusal to divulge.