de·vo·tion [di-voh-shuhn]
–noun
1. profound dedication; consecration.
2. earnest attachment to a cause, person, etc.
3. an assignment or appropriation to any purpose, cause, etc.: the devotion of one's wealth and time to scientific advancement.
4. Often, devotions. Ecclesiastical. religious observance or worship; a form of prayer or worship for special use.

de·vo·tion
n.
Ardent, often selfless affection and dedication, as to a person or principle. See Synonyms at love.
Religious ardor or zeal; piety.
An act of religious observance or prayer, especially when private. Often used in the plural.
devotions Prayers or religious texts: a book of devotions.
The act of devoting or the state of being devoted.