Secrecy

Noun

 * 1) Concealment; the condition of being secret or hidden
 * 2) The habit of keeping secrets.

Adjectives for Secrecy
mysterious; enjoined; half-pretended; inviolate; romantic; strictest; indispensable; profound; infinite;  tremendous;  necessary; sworn.

Verbs for Secrecy
delve into—; encroach upon—; intrude upon—; obscure with—; pervade—; pierce—; — fosters; —mystifies; —solaces; —veils.

Thesaurus
censorship, clandestineness, clouding, concealedness, concealment, confidentiality, confidentially, covering, covering up, covertly, covertness, darkening, deception, detachment, disappearance, furtively, furtiveness, hiddenness, hiding, hugger-mugger, hugger-muggery, hush, hush-hush, immateriality, imperceptibility, indiscernibility, interment, invisibility, isolation, isolationism, masking, mysteriously, mystery, mystification, nonappearance, obscuration, obscurement, occultation, privacy, privately, privatism, privatization, putting away, quarantine, recess, reclusion, retirement, retreat, rustication, screening, seclusion, secretion, secretively, secretiveness, secretly, secretness, segregation, separation, sequestration, silence, sneakily, splendid isolation, stealth, stealthily, subterfuge, suppression, surreptitiously, surreptitiousness, the invisible, the unseen, uncommunicativeness, unperceivability, unseeableness, unsubstantiality, viewlessness, withdrawal