having or showing a dutiful spirit of reverence for God or an earnest wish to fulfill religious obligations.

characterized by a hypocritical concern with virtue or religious devotion; sanctimonious.

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.

of or pertaining to religious devotion; sacred rather than secular

pious literature.

having or showing appropriate respect or regard for parents or others.

noun

devoutness , pietism , piety , religionism , religiosity , religiousness