Devotion

–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.

Origin

1150–1200; ME devocioun (< AF) < LL dēvōtiōn- (s. of dēvōtiō), equiv. to L dēvōt(us) (see devote ) + -iōn- -ion

Synonyms

2. zeal, ardor. See love.