IPA: /ˌdɛdɪˈkeɪʃən/
KK: /ˌdɛdɪˈkeɪʃən/
The act of committing oneself to a task or purpose, often showing strong loyalty and effort.
Her dedication to her studies helped her achieve excellent grades.
Dedication is formed from "dedicare" (meaning to consecrate or devote) and the suffix "-tion" (indicating the action or process of). The word refers to the act of devoting oneself to a particular purpose or task.
Think of the act of 'devoting' ('dedicare') yourself to something important — that's what dedication means.