Devout

Devoted to religion or to religious feelings and duties; absorbed in religious exercises; given to devotion; pious; reverent; religious.

Expressing devotion or piety; as, eyes devout; sighs devout; a devout posture.

Warmly devoted; hearty; sincere; earnest; as, devout wishes for one's welfare.

A devotee.

A devotional composition, or part of a composition; devotion.