the mind > mental capacity > knowledge > conformity with what is known, truth > deceit, deception, trickery > dissimulation, pretence > semblance, outward show > [noun] > one who creates fair or false appearance (3)
One who cloaks or conceals.
A person who or thing which conceals faults or errors, or provides an appearance of honesty, respectability, rectitude, etc.
One who puts on a gloss (in either a material or immaterial sense).