Synonyms and related words :
adytum, ashram, asylum, bolt-hole, cache, cell, cloister, concealment, corner, cover, covert, coverture, cranny, cubby, cubbyhole, dark corner, den, dugout, foxhole, funk hole, hermitage, hideaway, hideout, hidey hole, hiding, hole, holy of holies, ivory tower, lair, mew, niche, nook, privacy, recess, refuge, retreat, sanctuary, sanctum, sanctum sanctorum, secret place, stash, undercovert,