piousness

adjective

1. having or showing a dutiful spirit of reverence for God or an earnest wish to fulfill religious obligations.
2. characterized by a hypocritical concern with virtue or religious devotion; sanctimonious.
3. practiced or used in the name of real or pretended religious motives, or for some ostensibly good object; falsely earnest or sincere: a pious deception.
4. of or relating to religious devotion; sacred rather than secular: pious literature.
5. having or showing appropriate respect or regard for parents or others.

adjective

1. having or expressing reverence for a god or gods; religious; devout
2. marked by reverence
3. marked by false reverence; sanctimonious
4. sacred; not secular
5. archaic having or expressing devotion for one’s parents or others

adj.mid-15c., from Latin pius “dutiful, devout, conscientious, religious; faithful to kindred; inspired by friendship, prompted by natural affections,” perhaps [Klein] related to Latin purus “pure, clean” (see pure). Often coupled with fraud (n.) from at least 1630s. Related: Piously; piousness.