ROGET THESAURUS
Ambuscade
Ambush
N
ambush, camouflage, mimicry, hiding place, secret place, secret drawer, recess, hold, holes and corners, closet, crypt, adytum, abditory, oubliette, ambush, ambuscade, stalking horse, lurking hole, lurking place, secret path, back stairs, retreat, screen, cover, shade, blinker, veil, curtain, blind, cloak, cloud, mask, visor, vizor, disguise, masquerade dress, domino, pitfall, trap, camouflaged, hidden, concealed, aux aguets.
VB
blend in, blend into the background, lie in ambush, lie in wait for, lurk, set a trap for, ambuscade, ambush, camouflage.