[n] 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"
[n] complete and wholehearted fidelity
[n] a short message (as in a book or musical work or on a photograph) dedicating it to someone or something
[n] a message that makes a pledge
[n] a ceremony in which something (as a building) is dedicated to some goal or purpose