late 14c., "action of dedicating," from Old French dedicacion (14c., Modern French dédication) "consecration of a church or chapel," or directly from Latin dedicationem, noun of action from dedicare (see dedicate). Meaning "the giving of oneself to some purpose" is c. 1600; as an inscription in a book, etc., from 1590s.
1. We admire her dedication to the cause of humanity.
2. For his dedication the Mayor awarded him a medal of merit.
3. They had faced one difficulty after another with bravery and dedication.
4. To be successful takes hard work and dedication.
5. Some 250 guests attended the dedication ceremony.