dissimulation

noun

Etymology: Inherited from Middle English dissimulacioun, from Old French dissimulation, from Latin dissimulātiō; equivalent to dissimule + -ation.

1. The act of concealing the truth; hypocrisy or deception.

   “Perhaps it was best to tell Ethel at once: if ever she went into society at all, she would inevitably hear of it, and her own concealment would have the appearance of a dissimulation,—the furthest from her thoughts.”

2. Hiding one's feelings or intentions.