dedication
noun
complete and wholehearted fidelity
a ceremony in which something (as a building) is dedicated to some goal or purpose
a message that makes a pledge
Synonymscommitmenta short message (as in a book or musical work or on a photograph) dedicating it to someone or something
Synonymsinscriptionthe 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”
Source: WordNet 3.1, Princeton University
