adoration — Adoration is a feeling of great admiration and love for someone or something.
affection — If you regard someone or something with affection, you like them and are fond of them.
dedication — A dedication is a message which is written at the beginning of a book, or a short announcement which is sometimes made before a play or piece of music is performed, as a sign of affection or respect for someone.
deference — Deference is a polite and respectful attitude towards someone, especially because they have an important position.
fervor — great warmth and earnestness of feeling: to speak with great fervor.
fervour — great warmth and earnestness of feeling: to speak with great fervor.
intensity — the quality or condition of being intense.
passion — any powerful or compelling emotion or feeling, as love or hate.
piety — reverence for God or devout fulfillment of religious obligations: a prayer full of piety.
reverence — a feeling or attitude of deep respect tinged with awe; veneration.
sincerity — freedom from deceit, hypocrisy, or duplicity; probity in intention or in communicating; earnestness.
worship — reverent honor and homage paid to God or a sacred personage, or to any object regarded as sacred.
consecration — the part of the Mass after the sermon during which the bread and wine are believed to change into the Body and Blood of Christ
constancy — Constancy is the quality of staying the same even though other things change.
devoutness — devoted to divine worship or service; pious; religious: a devout Catholic.