What is the meaning of the word "commitment"?

Definitions:

  1. an engagement by contract involving financial obligation copy to clipboard noun
    • My business commitments took me to London. copy to clipboard
  2. the act of binding yourself, intellectually or emotionally, to a course of action copy to clipboard noun
    • Their long commitment to public service was admirable. copy to clipboard
  3. the trait of sincere and steadfast fixity of purpose copy to clipboard noun
    • I hoped I would be remembered for my commitment to the charity. copy to clipboard

Synonyms: