Did you perchance mean pietistic?
“In fact, a goodly proportion of our so-called slang is drawn from the same high source, being vinegar to the teeth of pietistical purists, but quite good enough for God.”
“I present extracts from the account of Cambronne, which he suspects may have given the pietistical Quakers a pain.”
“So it is with a pietistical and puristical people -- they will follow some stupid old bell-wether because utterly incapable of independent thought, of individual ratiocination.”
“Maryland at the time of their experiment such as to foster a profoundly pietistical community.”
“Even in the days of Eichhorn's pietistical absolutism, with its”
“You will remember the extraordinary sensation created by the case of Bruno Bauer, the Privat Docent on the theological faculty at Bonn, whom it was attempted to deprive of his _licentia docendi_  at the ominous instance of the absolutist-pietistical Eichhorn ministry, because of his peculiar doctrine concerning the gospel.”
“But Cæsar's emotions were walled in by his pietistical views.”
“... because men are vile, must a vile god be invented to suit their savage caprices? ... because men are so cruel, must the unseen Creator of things be delineated as even more barbarous than they, in order to give them some pietistical excuse for wickedness?”
“Here you see the end of a nation which shares your pietistical aptitudes.”
These user-created lists contain the word ‘pietistical’.
A roster of adjectives that infrequently surface in typical conversation and writing. Many are dredged from scientific or other technical jargon or sieved from examples of disused archaic forms.
Words found through Wordie's random word function. I didn't take phrases, foreign, misspelled, or madeupical words, so I looked at about 200 words to assemble this list.
I was surprise...
Looking for tweets for pietistical.