Mysticity

The Count de Sinzendorf has ſhewn all Europe, that in the moſt enlightened age, perſeverance ſupported by enthuſiaſm and devotion, could recall that zeal, that Miſticity, thoſe extraordinary follies, which one would think proper only for the barbarous and dark ages.

Source: wiktionary

I will endeavour to “make note” of their tenets, though many of them escaped me through their mysticity.

Source: wiktionary

For three days it had been drifting. The land lay white and still under a lowering, threatening snow-cloud of dark indigo blue. It is a sky that is indescribable in its effect, and that effect is heightened by the unbroken whiteness that lies everywhere underneath it. Has any artist ever given us its mysticity, its strange gloom, its ominousness?

Source: wiktionary

Flavian had caught, in fact, something of the rhyming cadence, the sonorous organ-music of the medieval Latin, and therewithal something of its unction and mysticity of spirit.

Source: wiktionary