dedication
noun.
complete and wholehearted fidelity
noun.
a ceremony in which something (as a building) is dedicated to some goal or purpose
noun.
a message that makes a pledge
Synonym: commitment
noun.
a short message (as in a book or musical work or on a photograph) dedicating it to someone or something
Synonym: inscription
noun.
the act of binding yourself (intellectually or emotionally) to a course of action
his long commitment to public service|they felt no loyalty to a losing team